The construction of Sayl’s 3D Intelligent suspension back provides passive PostureFit sacral support, which allows your spine to maintain its natural S shape and empowers your body to maintain a healthful posture with less fatigue Product dimensions – 26" D x 24.5" W x 37" H | Seat depth (fixed) – 16.5” | Weight – 38 lbs. | Arm height (adjustable) – 6.7"-10.8” | Seat height (adjustable) – 15.5”-20” | Weight limit – 350 lbs. Partial assembly required | Sayl’s unframed 3D Intelligent back lets you stretch and move, striking a healthy balance between support and freedom Sayl products are product on three continents to reduce the distance between the factory and the buyer | This product contains no PVCs and its materials are almost entirely recyclable Sayl’s unframed back and Y-Tower support create a striking visual aesthetic that reveals both the designer’s inspiration and intent, while the Eco-Dematerialized design of the work chair uses less material in inventive ways to provide ergonomic support › See more product details