About this item 【Movable Lumber Support】 - Our desk chair is made of high density sponge linen, which is skin-friendly and breathable. The chair has a movable lumbar support to give your waist comfortable support. 【Adjustable Armrest and Height】- The arms of the chair are cushioned and it can be turned up 90 degrees, you can flip it up and push it under the table for easy storage. With SGS 3 class air rod, you can adjust to the height you want. 【Roacking Function】- Sitting in a chair and leaning its back, you can use its wide Angle swing function, about 30 degrees rocking. When you feel tired after sitting for a long time, it can make you relax. 【Ergonomic Design】- The back and armrest of the office chair are ergonomically designed to ensure that your body fits perfectly into the chair. It is suitable for long time use. 【Multiple Use】 - You can add our chair in your office or put it in your home or activity room. It is very safe and it's an ideal choice for study and office.