Homycasa Ergonomic Mesh Mid-back Executive Adjustable Computer Task Desk Office Chairs Orange Seat Size: 15.7"(W) x 14.5"(D); Backrest Size: 15.7"(W) x 17.5"(D). Adjustable Seat Height: 13"-18"; Chair Height: 28.5"-33.5". Net Weight:: 12.5LB(5.5kg); Weight Limit: 250LB(120KG). Padded seat and back for all-day comfort and support. Pneumatic seat-height adjustment; 360-degree swivel; smooth-rolling casters.