This executive chair with pu leather and high density foam is very comfortable for long time using. You can put it in the office, study and the meeting room. With ergonomic design and lumbar support, you will not feel hurt at your back or lumbar. Product Description: ​Ergonomic design: Ergonomic design with lumbar support can give you enough support to avoid hurt from long time sitting. Update material: The seat and backrest are filled with soft and high density sponges which are very comfortable in using. The wear-resistant and soft PU leather of the chair can be used for a long time. Multi-functions: Adjustable height to meet different demands of height. Rock function can provide you a relax time when you are tired. Easy assemble: This office chair is super easy to assemble even you are not good at it. ​​​​​Maximum capacity: 300 lbs Package dimensions: 23.43 x 23.23 x 11.23(L x D x H)in Item weight: 30.26 LBS Seat adjustable height: 17.5-21.5 in