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Office Star Mid-Back Office Chair with Arms

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Office Star Products Mid-Back Office Chair with Arms


  • Thick padded contour seat and back with built-in lumbar support
  • Pneumatic seat height adjustment
  • 2-to-1 Synchro tilt control with adjustable tilt tension and separate locking control
  • Height and width adjustable arms with soft PU pads
  • Heavy duty nylon base with dual wheel casters

Product Details:

  • Product Type: Conference chairs; Task chairs
  • Style: Contemporary
  • Base Material: Plastic
  • Upholstered: Yes
  • Mechanism: Pneumatic
  • Ergonomic: Yes
  • Armed: Yes


  • Overall: 27.25" W x 25.25" D
  • Minimum Overall Height - Top to Bottom: 37.5"
  • Maximum Overall Height - Top to Bottom: 41.5"
  • Overall Product Weight: 53lbs

Office Star Products Mid-Back Office Chair with Arms

Additional Documents

Warranty Information

Weights & Dimensions

Adjustable Seat Height

  • Minimum Seat Height: 17.75"
  • Maximum Seat Height: 21.75"


  • Armrests Min Height: 24.75"

Additional Weights & Dimensions

  • Overall: 27.25" W x 25.25" D
  • Seat: 20.5" W x 19" D
  • Arms max inside: 21''
  • Seat travel: 4''
  • Seat thickness: 3.5"
  • Back thickness: 3.5"
  • Minimum Overall Height - Top to Bottom: 37.5"
  • Maximum Overall Height - Top to Bottom: 41.5"
  • Chair Back Max Height: 21"
  • Chair Back Width: 19"
  • Overall Product Weight: 53lbs


Product Type: Conference chairs; Task chairsStyle: Contemporary
Base Material: PlasticExterior Seat Material: Fabric
Upholstered: YesMechanism: Pneumatic
Back Height: Mid-backBack Type: Contoured
Adjustable Height: YesErgonomic: Yes
Tilt Control: YesLumbar Support: Yes
Casters: Yes
  • Double Wheel Casters: Yes
  • Compatible Flooring: Carpet
Heated Seat: No
Armed: Yes
  • Arm Type: Padded
Country of Manufacture: China


Assembly Required: Yes 


CARB Compliant: YesGSA Approved: No
NFPA Compliant (Festival - Midnight Blue, Festival - Sangria, Icon - Black, Icon - Burgundy, Icon - Grey, Icon - Navy, Icon - Taupe, Interlink - Autumn, Interlink - Flint, Interlink - Garnet Fabric): 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.


The Mid-Back Office Chair with Arms is a Contemporary style product. Contemporary style bridges the gap between traditional and modern. Pieces feature simple and clean lines with smooth surfaces without any carving or adornment. You can shop for more Contemporary Office Chairs in the Office Seating section of our site.

Office Star Products Mid-Back Office Chair with Arms

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

When you buy a Office Star Mid-Back Office Chair with Arms 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 #: 3121 (special order) 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 Mid-Back Office Chair with Arms or shop for your entire business, Wayfair Supply has everything you need.
NOTE: This is a special-order item. As such, orders for this item cannot be cancelled once placed. To ensure your satisfaction, please call us with any questions you have prior to ordering.
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Customer Reviews

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Tell us what you think about the Mid-Back Office Chair with Arms. It will help us provide you with better products in the future and help your fellow Wayfair shoppers make better purchases.

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Average Overall Rating
(based on 14 reviews)

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Must have

from Utah

I love this chair. I have a bad back, a broken tail bone and work at home sitting in this chair over 8 hours a day. Thanks Wayfair for this pain relief.

Was this helpful? Yes2 No0

Mid Back Office Chair

from Austin, TX – Verified Buyer

This is a very comfortable chair to use. It was easy to put together. It is not too big for our home office yet my husband feels comfortable in it. Love the color.

Was this helpful? Yes0 No0

Great chair for the money

from College Park, MD – Verified Buyer

Our office has purchased about a dozen of these chairs over the last few years and has been very pleased with them. They're a great price, they were delivered within a few days of ordering, and everyone finds them comfortable. They don't have as many adjustments as other higher priced chairs but most people don't miss them.

Was this helpful? Yes1 No0

Good Chair

from Delta, PA – Verified Buyer

Have reputedly purchased this chair for our location, to date I have only had minor issue chairs have been in service for over 4 years, with these chairs. I would by these chairs again.

Was this helpful? Yes0 No0

We would buy again in a heart beat!!!

from Ruskin, Florida

My husband spends many hours researching on computer and loves his chair. The adjustability is what makes it so comfortable along with the padding of chair and arms. I loved being able to pick out the material to go with living room. [...]

Was this helpful? Yes1 No0

Comfortable Office chair

from Essex Jct., VT

I am writing this review as I sit in this new chair. It is very comfortable and fully supportive. I especially like the armrests.

Was this helpful? Yes0 No0

Great chair for bad backs

from San Bernardino, Ca

I would highly recommend this chair for anyone with lower back pain. I have a bad back and at work and at home I was having lower back pain in the chairs that I use to have. I went out looking for a new chair and found this one (Office Star 3121) that I felt comfortable in the first time that I sat in it. At work and at home I am no longer feeling the pain that I use too. One other person at work was having the same problem and bought one of these chairs and says they feel better too. If you are having the same problem, try this chair out and see for yourself.

Was this helpful? Yes3 No0

I love this chair

from Georgia

I've been using this chair for years and when working long hours, it's helped my back from getting the usual aches and pains.

Was this helpful? Yes3 No0

Not what I had hoped for.

from Albany, Oregon

I had hoped this chair would help with my sciatica. My previous chair caused it to be worse. This chair has good lumbar support. But the tilt control cannot adjust well at all. I feel like I'm tipping out of the chair all the time. Also,the extra padding in the seat would be wonderful if it weren't so hard! Couldn't you find a softer pad? Needless to say it has not helped control my sciatic flare ups. So I am disappointed this is not the chair I'd hoped for...an expensive chair that is mediocre.

Was this helpful? Yes0 No1

very good, but just short of excellent

from Washington State – Verified Buyer

These chairs are very nice, and have a solid feel to them. We ordered 4 chairs, each with a different fabric pattern, and oddly, 2 of them feel slightly less comfortable than the others. If the chairs had a seat angle adjustment and/or a waterfall front, they would be perfect.

Was this helpful? Yes2 No0

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OUR SKU # OT1042

Mid-Back Office Chair with Arms is also sometimes listed under the following manufacturer numbers: 3121-06, 3121-07, 3121-08, 3121-10, 3121-104, 3121-105, 3121-106, 3121-107, 3121-108, 3121-11, 3121-110, 3121-12, 3121-214, 3121-215, 3121-216, 3121-217, 3121-218, 3121-220, 3121-225, 3121-226, 3121-227, 3121-231, 3121-232, 3121-24, 3121-25, 3121-26, 3121-27, 3121-28, 3121-29, 3121-30, 3121-301, 3121-302, 3121-303, 3121-304, 3121-316, 3121-317, 3121-318, 3121-319, 3121-320, 3121-330, 3121-331, 3121-332, 3121-333, 3121-334, 3121-75, 3121-76, 3121-78, 3121-80