Best Robot Vacuum Cleaner For Dog Hair 2021 Reviews

Best robot vacuum cleaner for dog hair

Do robot vacuums pick up dog hair?

As we all know that Pets give us companionship and keep all the loneliness and depression away from our lives. But pets have the major drawback of shedding their fur all along with the house. Every pet owner knows that these pet hairs don’t go away so easily but no one needs to worry, the solution to this problem is a robot vacuum cleaner. Without any doubt, traditional vacuum cleaners have made home cleaning easier.

The robot vacuum cleaner is best for the removal of pet hair and keeping the house spotless without much effort. The smartest vacuum cleaners are efficient, programmable, and can reach the corners which you might have missed during cleaning. They are so convenient as you can manage them by using voice assistants and their Apps. They also reduce the burden of house chores.

9 best robot vacuums for dog hair

1. IRobot Roomba s9 (9150) robot vacuum Wi-Fi connectivity, smart mapping, and high power suction work with Alexa

2. Shark ion robot vacuum rv871 with Wi-Fi and voice control robotic vacuum for pet hair

3. Proscenic M7 pro-LDS, laser navigation and mapping with 2700pa suction robot vacuum for dog hair

4. Bob sweep b0bi pet robotics vacuum for dog hair

5. Ecovacs DEEBOT OZMO 920 2 in 1 mopping and vacuuming robot with advanced NAVI 3.0 systematic cleaning controllable with Alexa and google assistant

6. Neato BOTVAC D80 robot vacuum for dog hair and allergens:

7. Kyvl CYTOVAC E31 robot vacuum with 2200pa suction and smart navigation compatible with Alexa and google assistant

8. Ecovacs DEEBOT OZMO t5 two in one robot vacuum cleaner mopping with smart NAVI 3.0 technology multi-floor mapping with high suction power robot vacuum for pet hair

9. Trifo max robot 3000pa strong suction, washable filters, and dustbin with advance video recording feature robot vacuum

IRobot Roomba s9 (9150) robot vacuum Wi-Fi connectivity, smart mapping, and high power suction work with Alexa

IRobot Roomba s9 (9150)

PRICE   $748.88
BRAND  iRobot
MODEL NUMBER S915020
DIMENSIONS OF PRODUCTS  (12.25) (12.25) (3.5) inches
WEIT OF ITEM  8.2 pounds
STRUCTURE POWER rechargeable battery

Description

The Roomba s9 has an amazing feature of 3 stage cleaning and vacuuming system which while comparing to the older Roomba 600 series, utilizes 30% wide Dual Multi-Surface Rubber Brushes and almost 40X the Suction capability to pull in all the Embedded debris, dirt, and pet hair and fur from all the corners where it gets hidden away. Power Boost technology also boosts up suction clean all the carpets and corners providing you perfect suction to give perfect cleaning to your house.

Moreover, Perfect Edge Technology has modified Sensors and a Newly designed corner Brush along with its five arms to gather all the debris and dirt from corners and along all the walls pushing it into Robot’s path to be vacuumed and cleaned away.  Its Molded and softer bumper cushions the contact between Roomba and furniture, objects, and the walls while differentiating soft and hard hindrance from Each other., This allows Roomba to go under curtains Bed skirts and couch skirts. 

The iRobot Roomba is best for dog hair. The S9 can easily move around obstacles and around all the Couches to ensure a perfect Cleaning. On First Hand Use, the S9 utilizes a whole range of Sensors to map and Cleanout Your Room. Roomba then uploads all the information Collected by its various sensors to the iRobot HOME app and allows them to give a proper name to each room. You can organize a system of merging, splitting, and labeling all Your rooms as you see fit.

Moreover, you can Control the Roomba S9 to clean various rooms at a proper scheduled time. You can Also Direct It to clean by Voice Commands Using Alexa Enabled and Google Assisted Devices. As an Additional Bonus, the Robot s9 will automatically allow the vacuuming pattern to match the Orientation of your whole Living Space. so can Come Home without Fussing about anything and get a perfectly Cleaned house.

Main features

  • d shape design body with dimensions (12.25) (12.25) (3.5) inches 
  • the high suction power of 40x and boost technology for effective and deep cleaning 
  • 30% larger rubber brushes with multi-stage cleaning feature
  • perfect edge advance cleaning technology with sensors
  • Alexa and google assistant app compatible 
  • the advance navigation system and mapping technology 
  • intelligent mopping feature 
  • “no, go area” smart feature
  • Adaptable cleaning multi-modes
  • VSLAM technology gather 230 400 points per second
  • mess detecting and automatic dust technology
PROS
  • Easy to use with a smart interface
  • affordable at a low price
  • it collects small allergens particles and hairs with its Extraordinary suction power 
  • Special side brushes for cleaning corners or edges of the wall
  • Long-lasting lithium-ion battery 
  • Automatic notice floor forms like soft, hard, tiles, and carpet
  • clever mapping technology which helps to clean complete home
  • advanced HEPA fitters for gathering allergens and dust
  •         tangle-free brushes 
  • Easy to clean its filters 
  • safety feature included in it which prevent it from damage
  • 1-year warranty 
CONS
  • dustbin capacity is too low. Before every cleaning, you have to empty it
  •       too loud while working 
  • battery material and timing are not good
  • Small objects got stuck in it

Shark ion rv871 with Wi-Fi and voice control robotic vacuum for pet hair

Shark ion rv871 with Wi-Fi

PRICE  $278.90
BRAND shark ninja
MODEL NUMBER  #rv871
DIMENSIONS OF PRODUCTS  (12.8) (12.6) (3.5) inches 
ITEM WEIGHT 5.7 pounds
SOURCE OF POWER   Lithium-ion battery

Description

The top-rated Shark ION Robot is specially designed with a Tri Brush System, with different side brushes, channel Brushes, and a multi-surface Brush roll to handle all kinds of dust and debris on surfaces, edges, and various Corners. 

Additionally, it has More Suction Capability than the Original Shark ION Robot and a very large Sized Dustbin, thus you get powerful cleaning and A perfect debris pickup. Use the Shark Clean app or Voice Controlling with Alexa or Google Assistant to start Cleaning from anywhere. If you have any confusion related to know-do robot bot vacuums work with pet hair so you this is the best product for cleaning pet hair especially.

Main features

  • Dimension (12.8) (12.6) (3.5) inches 
  • Included advance cliff sensors 
  • Special brush roll for picking long hairs
  • Three different types of brushes for cleaning different floor
  • High suction power smart feature for effective cleaning and vacuuming
  • Extra-large dustbin with smart hair pickup feature
  • Smart navigation technology for detection
  • Controllable with Alexa and google assistant 
  • All functions are controllable with phone
  • Wi-Fi connectivity is available
  • Advance proximity sensor added to avoid smashing into furniture
  • Great battery timing of 90 minutes 
PROS
  • Affordable and easy to use
  • Deep cleaning with a high suction power
  • Clean edges and corner with a triple advance different type of brushes
  • built-in cliff sensor helps it to detect upcoming stairs and ledges
  • no collision into objects with its proximity sensor
  • all functions are control able with a mobile phone from any place 
  • the dustbin is extra-large for collecting more dust and hairs
  • its mapping is too smart; it can save three different maps at a time 
  • one-year warranty
CONS
  • battery timing is too short 
  • bit louder as compared to another robot vacuum

Proscenic M7 pro-LDS, laser navigation and mapping with 2700pa suction robot vacuum for dog hair

Proscenic M7 pro-LDS

PRICE  $399.00
BRAND Proscenic 
MODEL NUMBER  M7 pro
DIMENSIONS OF PRODUCTS  (13.65) (13.65) (3.8) inches 
ITEM WEIGHT 8 pounds
SOURCE OF POWER Lithium-ion battery

Description

The M7 Pro is the most innovative, efficient, and systematic Robot Vacuum made by Proscenic majorly because of its v4.0 laser Navigation capability, LDS (laser distance sensor) 3D new mapping system, and it’s amazing suction Power (All hail NiDEC brushless motor System) which can easily reach 2600 pa. Prospect didn’t Just revolutionize suction capability for their Top 7 Pro model and it is also very well equipped with a 5200 mAh lithium-ion rechargeable battery pack, a dustbin with 600ml capacity.

moreover, an amazing Wi-Fi connectivity feature, and a total of 24 built-in sensors which include already mentioned LDS distance/mapping sensors along with many anti-collision, anti-fall odometer accelerometer, and compass sensors positioned on every side (360-degree sensing) which make sure an Efficient and perfect cleaning without any limitation of floor types as it can Work on all kinds of the floor either it be hard or soft. This is the best robot vacuum for dog hair with these amazing features.

Additionally, All Of the features mentioned above give the M7 Pro multiple tasking capability including Mopping, cleaning, and both selective as you can easily control the robot to clean which areas of your living space and which not and also Zone cleaning via the Proscenic Home app ( aside from the android/iOS app the M7 Pro is not only also compatible with Alexa voice commands but there is Also remote control system in the bundle which can be very Methodical, especially for older people who do not use smartphones much.

Main features

  • Dimensions (13.65) (13.65) (3.8) inches
  • Two in one mop and vacuum feature 
  • The excellent suction power of 2700pa 
  • Included water tank with 110 ml capacity 
  • Advance multi-floor mapping 
  • IPNAS 3.0 system smart navigation 
  • Specific area cleaning option 
  • Automatically recharge and resume 
  • Wi-Fi connectivity is available
  • Manageable with Alexa and google assistant app
  • Cleaning history option is included
  • Included dustbin 600 ml capacity 
  • Great charging time of 4 to 4.5 hours 
  • Long-lasting battery with 90 to 150 minutes working capacity
PROS
  • High suction power for deep cleaning 
  • Dual function of mopping and vacuuming 
  • Controllable via google assistant and Alexa
  • Smart IPNAS and HEPA filter 
  • Total covers 1615 square feet area
  • Included previous history storage option
  • A medium-sized Dust bin is included
  • Long-lasting lithium-ion battery with great working time 
  • Automatically charging and resume feature 
  • Easily manageable via Wi-Fi device from anywhere
  • ‘8One-year warranty 
CONS
  • The water tank is too small
  • This model is a bit heightened 
  • Too expensive with this feature
  • The mopping feature does not work properly 
  • Automatically dust collector is not included in this model

Bob sweep b0bi pet robotics vacuum for dog hair

Bob sweep b0bi pet robotics vacuum

PRICE  $244.99
BRAND  Bob sweep
MODEL NUMBER  #726670294609
DIMENSIONS OF PRODUCTS  (13.78) (13.78) (3.94) inches
ITEM WEIGHT   7.7 pounds
SOURCE OF POWER Lithium-ion battery

Description

Say Goodbye to all kinds of dust Balls when You Have Got an innovative and perfect bObi, a Robot Vacuum which has over 80 sensors. You just need to press “Go” and bObi will zip through all over your house collecting all the pet Hair and Scrapes while letting WAFFLE focus on a smaller area only. If You are too tired to give continuous commands, you can Just devise a cleaning Schedule and watch it Doing all wonders to give you amazing Cleaning.

Main features

  • Dimensions 13.78) (13.78) (3.94) inches
  • Modern look thin body with illuminated buttons
  • Digital touch screen with control buttons
  • About 80 sensors for detecting different things
  • Washable dustbin with 350 ml dustbin
  • Rubber and bristle brushes included
  • X amplified texture battery with 75 minutes 
  • Automatically rechargeable 
  • Included 2x HEPA filters and cleaning tools
  • Controllable via remote control 
  • Special Bobi block feature to avoid a collision
  • Included mini mop for mopping
  • 2-year warranty
  • 5 years of subsidized service
PROS
  • Low in price 
  • Modern design and easy to use 
  • Manually adjustable all features via remote
  • Advance manually adjustable schedule 
  • Additional HEPA filter included for deep cleaning
  • Smart LCD screen with touch buttons 
  • Edge and infrared sensors 
  • Automatically recharge and resume option 
  • Lithium-ion long-lasting battery with a great run time
  • The dustbin is easily washable 
  • Dual brushes included for deep cleaning 
  • Anti-collision sensors are fitted for safety
CONS
  • Set is too much time consuming
  • The dustbin is too short
  • All components need installation and batteries
  • Suction power is not so good
  • Navigation technology does not work properly 
  • Always need to check out this during cleaning

Ecovacs DEEBOT OZMO 920 2 in 1 mopping and vacuuming robot with advanced NAVI 3.0 systematic cleaning 

Ecovacs DEEBOT OZMO 920

PRICE $399
MODEL NUMBER  OZMO 920
DIMENSIONS OF PRODUCTS  (13.7) (13.7) (3.66) inches
ITEM WEIGHT  6.7 pounds 
SOURCE OF POWER One lithium-ion battery

Description

Deebot has included the Ozmo 920 to the Swelling ranks of Robot Mop Hybrids. Including all the products in this category, it also Gives excellent mopping and perfect Vacuuming Services, besides, it also includes huge cleaning customization options, multi-floor mapping services and wide areas cleaning that makes it attractive and the best choice for owners of large, multiple story houses.

inches across, and 3.7 inches high due to its lesser turret which employs smart Navi 3.0 technology to design an attractive map of your whole. Living space to make it look all neat and clean and attractive

 Moreover, a small 0.43-liter Dustbin is attached beneath a lid on top of the vacuum and a water reservoir to mop is attached at the back. The Vacuum Comes with a reusable microfiber cloth to mop and many disposable ones along with a cloth plate to which they are attached.

The Ozmo 920 has the same basic setup as most robot vacuums. This top-rated affordable robot vacuum Organizes the charging dock and plugs it in and sets the vacuum on the contacts. Now, you need to download the Ecovacs Home app and scan the Vacuum and on the downside is a roller brush and a pair of spinning edge brushes. The Ozmo 920 also has a direct suction option that allows removing the roller brush and it needs to replace with a special vent that Also sucks pet hair and all kinds of fibers without getting them tangled in the roller.

Main features

  • Dimension (13.7) (13.7) (3.66) inches
  • Intelligent navigation with smart NAVI 3.0 technology
  • Automatically mopping feature to clean dust from the floor
  • Great battery timing of 110 minutes
  • Multi-floor smart mapping technology 
  • Wi-Fi connectivity advance feature 
  • Compatible with Ecovacs smart app 
  • Advanced tangle-free side brushes for cleaning 
  • Intelligent carpet detecting technology 
  • Pressure retention advanced feature 
  • The unique intelligent controlled large water reservoir
  • Carpet detecting technology 
  • Weekly and daily adjustable schedule 
  • Automatically charging system
PROS
  • Easy to use 
  • Advanced multi-floor mapping smart feature 
  • Multiple cleaning options as per choice 
  • Smart navigation and OZMO technology
  • Control able cleaning modes with Wi-Fi device
  • Produced low noise while cleaning
  • 4 mm deep cracks cleaning option
  • Automatically detect floor type and carpet 
  • Advanced pressure retention system which helps to maintain vacuum pressure 
  • 12-month warranty 
CONS
  • Bit taller which does not allow it to clean the dust under furniture
  • The dustbin is too small
  • Bit expensive as compared to another model

Neato BOTVAC D80 robot vacuum for dog hair and allergens:

Neato BOTVAC D80 robot vacuum for dog hair and allergens

PRICE   $349
BRAND Neato robotics
MODEL NUMBER   945-0202
DIMENSIONS OF PRODUCTS (12.7) (13.2) (3.9) inches
ITEM WEIGHT  9 pounds
SOURCE OF POWER Lithium-ion battery

Description

Neato BotVac D80 High-Performance Best Robot Vacuum and Perfect for homes with Various pets in which floors are All messed up with pet hair and fur. It uses patented Laser Smart technology with floor mapping and object detection to organize a mapping system for Your room, devises a whole plan, and methodically and perfectly cleans your room instead of just bumping around the corners. It is made in such a way that includes both the spiral blade brush and a Combo brush which picks all kinds of hair and does not make any noise.

Moreover, its Advanced Spin Flow Power clean system gathers all the stuff that lands on the floor e.g. dirt, crumbs, dust bunnies, and pet fur. It has a D shape design and Corner Clever technology gets to where dirt gets hidden _in corners and along the walls. It moves from one room to the other, automatically returning to the charging base, chargers, and resumes from where it starts.

Additionally, It has an extra-large and bagless dirt bin which holds a lot of mess and hair and can be emptied very easily. Surely this is the best robot vacuum for pet hairs.

Main features

  • Dimensions (12.7) (13.2) (3.9) inches
  • D shape body with special corner clean technology 
  • High suction power with high-performance filters 
  • Intelligent scanning home feature
  • Advanced mapping and navigation technology 
  • Included spin flow smart pickup feature
  • Automatically recharging and resume feature
  • Bagless extra-large dust bin with 0.7-liter capacity 
  • Manually adjustable Weekly and daily schedule
  • Boundary trips smart technology 
  • NICAD battery with great battery timing 
  • 50% large tangle-free brushes spiral and combo brushes 
  • One-year warranty
PROS
  • Easy to use In-built touch interface 
  • Automatically rechargeable 
  • D shape for cleaning corner and edges
  • Two different brushes for carpet and floor
  • Manually controllable via Wi-Fi device
  • Advance navigation which works great in low light 
  • The dustbin is large enough with a 0.7-liter capacity
  • Tangle-free side brushes for cleaning corner 
  • Smart pickup technology helps it to pick small objects
  • The cleaning schedule is completely manageable with mobile apps
  • Eco and turbo modes for cleaning
  • It collects small things effectively with is smart spin flow technology 
CONS
  • Bit expensive
  • Only uses NICAD battery 
  • Due to cliffs sensor does not work great on the dark floor because this consider it as cliff
  • Dual cleaning modes does not work properly 
  • Bit heightened that why cannot clean under 10 cm

Kyvl CYTOVAC E31 robot vacuum with 2200pa suction and smart navigation compatible

Kyvl CYTOVAC E31 robot vacuum

PRICE $229.99
BRAND Kyvl
MODEL NUMBER  Cybovac e31
DIMENSIONS OF PRODUCTS (22.83) (14.61) (4.49) inches
ITEM WEIGHT 11.05 pounds
SOURCE OF POWER   Single lithium-ion AAA battery

Description

The Cybovac E31 is the Top rated affordable the Robot vacuums from Kyvol, an amazing brand from Val top Technology and Innovation, a company known for dashboard cameras rather than Cleaning Products. 

Nonetheless, this Vacuum impresses us all with its new and amazing cleaning modes, smart navigation, and powerful and max suction of almost 2200 pa. 

Moreover, The E31 has been designed with a matte black finish with a tempered glass top. It measures approximately 12.5 inches in diameter and 3 inches high. A 0.6-liter Dustbin is inserted at the back of the Vacuum and can be Swapped out for a 9/3-liter water tank when You want to mop hard floors

Main features

  • Dimension (22.83) (14.61) (4.49) inches
  • Round shape the thin body of 2.85 centimeter
  • Mopping and sweeping dual-functioning 
  • Advanced GIROPTIC navigation smart technology 
  • Included large Water storing tank
  • Clean in a zigzag pattern
  • The strong suction power of 2200 pa 
  • 3200mah AAA battery with 1.5 hours working capability
  • Controllable with Kyvl app and Alexa
  • Dustbin with 0.6 litter availability
  • Noise level is 55db
  • Totally adjustable working schedule
  • Self-charging and resume option 
  • Automatically floor type detection  
  • Magnetic boundaries strips for safety 
  • Drop sensing and anti-collision advanced technology 
PROS
  • Affordable in low cost
  • Easy to use with a single touch
  • Specific Space for keeping remote on base
  • Clean all the area in a zig-zag pattern 
  • Storage for cord slack 
  • Manually increase and decrease option  
  • Work great with Alexa and google assistant 
CONS
  • Mapping technology does not work properly
  • Just controllable with two voice assistants
  • Does not work properly on throw rugs 
  • Not dual-band feature included
  • Wi-Fi just working under 2.4bGhz

Ecovacs DEEBOT OZMO t5 two in one robot vacuum cleaner mopping with smart NAVI 3.0 technology multi-floor mapping with high suction power robot vacuum for pet hair

Ecovacs DEEBOT OZMO t5

PRICE $499
BRAND Ecovacs
MODEL NUMBER Ozmot5
DIMENSIONS OF PRODUCTS  (13.8) (13.8) (3.7) inches
ITEM WEIGHT 6.7 pounds
SOURCE OF POWER Rechargeable battery

Description

OZMO 2 in 1 mopping and vacuuming is the best model for cleaning pet hair It Immediately mops and does the cleaning. It has a large 240 ml wide water tank which covers approximately over 2000 square feet of mopping area. included carpet detection capability which automatically avoids Carpeted area while mopping and doubles the suction capability when Vacuuming. 

The best point about this Ozmo is its Smart Navi 3.0 technology and Its Laser mapping ability creates a Well-defined map of Your floor for a well organized and perfect cleaning path that avoids repeated or missed areas. The detailed interactive map creates faster and very efficient cleaning and also enables advanced Cleaning Customization through the ECOVACS home app

Moreover, Ozmo has 3+ Hours Runtime and has a 5200 mAh battery capacity, and a very well optimized energy consumption System, DEEBOT also gives 3200 Square feet of coverage area even on a Single Charge, including High Efficient Filter for effective cleaning. It is equipped with three layers of Filtration which perfectly covers 99% of all allergens, pollens, and particles

This is especially the best robot vacuum for dog hair.

Main features

  • Dimensions (13.8) (13.8) (3.7) inches
  • Two in one mopping and vacuuming feature 
  • Included multi-floor mapping technology 
  • Availability of Wi-Fi smart feature 
  • Smart NAVI laser mapping technology
  • Lithium-ion battery with 5200mah 
  • Automatically recharging feature 
  • Water tank for mopping 
  • Make virtual boundaries for its safety 
  • Manually manageable with google assistant and Alexa 
  • Battery working timing is 3 hours and covers 3200 square feet
  • Most efficient three filters for collecting 99% allergens
  • Extraordinary suction power with three different levels (standard, max, and max-plus)
  • Carpets avoiding smart technology 
  • 12 months’ warranty
PROS
  • Low cost 
  • Easy to use with its digital screen 
  • Its mapping system is excellent. map your home accurately  
  • The navigation feature is too smart. navigate the hindrances very well
  • Filters are easily washable 
  • Large water tank for storing water for mopping on the floor
  • Mop The mop washable and changeable 
CONS
  • Bit expensive 
  • Too loud during vacuuming on different floors 
  • Does not collect long hairs and large size things

Trifo max 3000pa strong suction, washable filters, and dustbin with advance video recording feature robot vacuum

Trifo max 3000pa

PRICE $399.99
BRAND Trifo
MODEL NUMBER: MAX
DIMENSIONS OF PRODUCTS (14.2) (14.2) (3.3) inches
ITEM WEIGHT  13.11 pounds
SOURCE OF POWER: Lithium-ion battery 


Description

The top-rated Trifo robot vacuum with300 pa of Its Strong Suction Capability Saves an Alloy of your Hard work and Your Precious time. It is perfect for all floor types whether it be hardwood floors, tiles, or any kind of carpets.

Additionally, this best robot vacuum has a dustbin with maximum capacity and a washable Primary filter which gathers hard to reach dirt and all pet hair very efficiently. It has a 120_ minute runtime and automatic Self-charging capability and a functioning Navigation System.

Moreover, it knows how to choose the most capable cleaning route maneuver around obstacles. (App-Controlled) Max Offers an app integration and Has a very amazing Wi-Fi connectivity feature. You can Adjust Suction power, schedule Cleaning times, and see where it has cleaned through the real-time map it has made as it works.

 

Main features

  • Dimensions (14.2)(14.2)(3.3) inches
  • 3000pa high power suction for power full cleaning
  • Manageable with Wi-Fi device 
  • Superb battery timing of 120 minutes timing 
  • Excellent navigation system for detecting objects
  • Automatically video recording feature 
  • Notification system when it feels any outside interference during cleaning
  • Works with Trifo home app and Alexa
  • Manually adjustable cleaning or vacuuming schedule   
  • Included smart vision technology
  • Lithium-ion battery with 5200mah
  • One-year warranty 

 

PROS
  • Round shaped body with 3.3 inches’ height clean under furniture in an excellent way 
  • Almost work on every floor like carpets hard floor and tiles 
  • Smart mapping and navigation technology for detecting things and mapping 
  • Great battery timing of 120 minutes with the single time charging 
  • 3000 high suction power which pulls out little things and hair
  • Patented security devices for its safety
  • Its smart decision taking technology helps in cleaning different areas
  • The mobile video recording feature is amazing it stores previous cleaning video of different rooms
  • Six claw side brushes are work amazing to clean edges
  • Compatible with Alexa and google assistant 
  • Its vacuuming schedule is manageable with a Wi-Fi device
CONS
  • Bit loud produced 70db noise
  • The dustbin is not sufficient for storing mess
  • Just 12 months’ warranty
  • Wi-Fi works only with 2.4GHZ. does not work great from long distant

Leave a Comment