VIVOHOME kneeling chair boasts an ergonomic design that encourages proper posture. By supporting your knees and holding your thighs at a low angle, it balances your weight and takes stress off the spinal column to alleviate back discomfort. Supportive memory foam cushions prevent painful pressure points from forming. Adjustable seat height ensures customized comfort and full ergonomic support. <p><b>Product Specification:</b> <br>-Note: This product cannot completely replace desk chairs, so you cannot keep your knees bent for long periods of time. <br>-Take the pressure off your back, neck, shoulders, and vertebra by using this comfortable adjustable kneeling chair. <br>-21”-28” height with 330 lbs. capacity makes it suitable for most people and desks. <br>-PU material surface and polished metal structure allow you to easily clean the chair with just one wipe. <br>-All-black appearance makes the knee chair an attractive addition to a variety of work environments. <br>-It is easy to assemble the kneeling chair with the help of the video above and the manual in the package. <p><b>Product Specification:</b> <br>-Color: Black <br>-Material: PU leather, foam, iron <br>-Seat Pad Size: 15.7”(L) x 11.8”(W) x 3.9”(T) <br>-Knee Pad Size: 17.7”(L) x 9.4”(W) x 3.9”(T) <br>-Adjustable Height: 21” - 28” <br>-Weight Capacity: 330 LBS <p><b>Package Includes：</b> <br>-1 x Adjustable kneeling chair <br>-1 x User manual <p><b>Product Warranty:</b> <br>- We assure that the item you received is 100% safe and sound. For any defective item, please contact our customer service for a satisfying solution.