Lightweight Wheelchair (18 x 16 with Removable Desk-Length Arms) Click below to buy on Amazon: http://www.amazon.com/gp/product/B000RN5AQE?tag=sukses2015-20 Seat 18W X 16D Product Weight Capacity250 lb Warranty5 years on frame and crossbraces Urethane rear tires mounted on no flex wheels offer superior performance Dual axle positions allow variation of seat- to-floor heights