DIMENSIONS ERGONOMIC OFFICE CHAIR Dimension: 20"D x 20"W x 46.75"H INCLUDED COMPONENTS Arm Pad, Cushion SPECIFICATIONS Weight capacity: 280 lbs Materials: Plastic Seat Depth: 20 inches Shape: S-Shape WARRANTY INFORMATION 2-Year Limited Warranty QUICK GUIDE ErgoChair 100 Manual [https://cdn.shopifycdn.net/s/files/1/0551/3972/9497/files/ErgoChair_100_Manual.pdf?v=1710312447]