Seat 18"W X 16"D; Black, Nylon Upholstery, Permanent Full-Length Arms And Swing Away, Detachable Foot Rests; 300Lb Weight Capacity. Hemi Height Adjustable, From 20" To 18" Optional Accessories: Oxygen Tank-MDS85181U; IV Pole-MDS85183; Oxygen Tank/IV Combo - MDS85190; Anti Fold Device- MDS85196; Overhead Anti-Theft Device - MDS85197A; Anti-Tip Device - MDS85189; Transport Wheel Kit - WCAWHEELKIT