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Office Star Ergonomic Knee Chair with Dual Wheel Casters


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List Price: $164.00

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Office Star Products Ergonomic Knee Chair with Dual Wheel Casters


  • Thick padded memory foam seat and knee pad
  • Manual height adjustment
  • Black metal frame with dual wheel carpet casters
  • Lifetime manufacturer's Warranty


  • Overall: 17" W x 25.25" D
  • Minimum Overall Height - Top to Bottom: 20.5"
  • Maximum Overall Height - Top to Bottom: 20.5"
  • Overall Product Weight: 16lbs

Office Star Products Ergonomic Knee Chair with Dual Wheel Casters

Weights & Dimensions

  • Overall: 17" W x 25.25" D
  • Seat: 17" W x 12.5" D
  • Seat thickness: 2.5"
  • Knee Pad thickness: 2.5"
  • Minimum Overall Height - Top to Bottom: 20.5"
  • Maximum Overall Height - Top to Bottom: 20.5"
  • Chair Back Max Height: 10.5"
  • Chair Back Width: 16.5"
  • Overall Product Weight: 16lbs


Product Type: Kneeling chairsCountry of Manufacture: China


Assembly Required: Yes 

About the Manufacturer

Office Star manufactures a large variety of products, featuring comfortable and utilitarian office seating. With a lot of color and style options to choose from, Office Star is guaranteed to enhance the functionality and comfort of your office environment.

All styles and models of Office Star chairs are available at Wayfair.

Office Star Products Ergonomic Knee Chair with Dual Wheel Casters


“Hello, what is the weight capacity of this chair?” asked by Christine

"Hi Christine, the weight limit for this is 250 lbs." Michelle from Wayfair


“Hi, what is the fabric of the chair?” asked by Krista

"Hi Krista, the fabric of the chair is cloth." Ria from Wayfair

Still have questions about this product? We're here to help

When you buy a Office Star Ergonomic Knee Chair with Dual Wheel Casters online from Wayfair Supply, we make it as easy as possible for you to find out when your product will be delivered. You can check on a delivery estimate for the Office Star Part #: KCM1420 here. If you have any questions about your purchase or any other Office Chairs product for sale our customer service representatives are available to help.Whether you just want to buy a Office Star Ergonomic Knee Chair with Dual Wheel Casters or shop for your entire business, Wayfair Supply has everything you need.

Office Star Products Ergonomic Knee Chair with Dual Wheel Casters

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Return Policy

We want you to love it. If you don't, you may return your purchase within 30 days of delivery. All you need to do is visit our Self-Service Return Center for instructions. Return credits are issued within 24 hours once the item is received and inspected. Please note that shipping charges are non-refundable. The cost of return shipping will be deducted from your refund.

30-Day Return Policy
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Customer Reviews

Tell Us What You Think!

Tell us what you think about the Ergonomic Knee Chair with Dual Wheel Casters. It will help us provide you with better products in the future and help your fellow Wayfair shoppers make better purchases.

Average Overall Rating:
(based on 34 reviews)

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Great chair for good posture

 from Cleveland, OH– Verified Buyer

Although I cannot use this chair for an extended period of time (like all day), it is great for taking stress off your lower back and keeping your shoulders straight and relaxed. I had a total knee replacement so even though your weight is distributed between your knees and rearend, I still find long stints on my knee kind of bother me. Other than that, it works very well for the purpose intended.

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Works Well

 from Medicine LAKE, MT– Verified Buyer

I have no had this long but putting it together was easy to do. Sitting in it is comfortable and though I have not done a stretch past 20 minutes it seems comfortable. I notice I sit up straighter while in it too. I have no problem with the height settings and I am 5' 3". The cushions are very comfortable as well. Very pleased with the purchase.

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Office Chair

 from Alpharetta, GA– Verified Buyer– Top 100 Reviewer

This stool puts too much pressure on your knees and the padding is not very good

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Ergonomic is a great idea but not comfortable.

 from Charlottesville, VA– Verified Buyer

I really want an ergonomic chair to prevent my slouching at my desk. The chair is good quality except the padding in the seat which is too thin and causes my shins and rear to be very uncomfortable after a couple of hours. It does not work well for all day use.

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as advertised!

 from Powder Springs, GA– Verified Buyer

Easy to order, received quickly. Easy to put together and even came with the tools needed to do so.
I have back problems and sitting in a chair is one of the most painful things to my injury. The design of this chair, especially with the adjustability, has enabled me to sit for long periods and work. When my back is particularly bad I have even been know to pull it up to the dinner table!
No regrets here.

Was this helpful? Yes1 No0

Comfortable way to work

 from Huntersville, NC– Verified Buyer

This chair takes a couple of days to get used to if you have been sitting in a standard desk chair. But once you do, it improves your posture and I feel less fatigued at the end of the day.

Was this helpful? Yes2 No0

Pretty good

 from Maumee, OH– Verified Buyer

My husband and I are within an inch of each other in height and we use this chair in radically different positions. I like it almost all the way up, he likes it almost all the way down. Range is great for multiple users, cushions are thick and comfy. My only gripe is that it's not very attractive. Would have like to see it in wood or with lighter cushions to spice it up a little.

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 from Racine, WI– Verified Buyer

Easy to assemble and pretty comfortable. I might reupholster in a different fabric.

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Good Chair

 from pueblo, CO– Verified Buyer

It is a good chair the only problem I had was the fabric was not good for wear. Also if not wearing long pants in warm weather it can become very warm and sweaty.

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Great chair!

 from California– Verified Buyer

I originally wanted a kneeling chair after trying a Varier kneeling chair. It was comfortable, but I felt I needed more of an angle, and it was way over my budget. I did a lot of research and settled on this one. It doesn't look fancy, but the steel construction I felt would last (people buying wood ones compained of them breaking). I am 5'8 at 145 lbs, and at the middle setting of this chair is perfect for me (the angle is a perfect balance for weight distribution on my rear and knees). I also love how my feet dangle above the floor. It is very relaxing. My husband, who is 6'3 at 210 lbs, thought it was comfortable at first. However, because he is so tall, his shins and not his knees rest on the pads, and he compained it was causing his feet to go to sleep. It was just too small for him. The fabric is cheap, but that's fine since the chair is inexpensive. The pads have a wood base, so reupholstering them would be easy once the fabric is worn down. Great shipping from Wayfair as usual.

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OUR SKU # OT2900

Ergonomic Knee Chair with Dual Wheel Casters is also sometimes listed under the following manufacturer numbers: KCM1420