Aluminum frame is lightweight (Weighs only 19 lbs) and strong; Nylon upholstery is comfortable, lightweight and easy to clean. 8" composite wheels are lightweight and maintenance free. Aluminum casted back-release hinge allows back to fold down for easy storage and transport. Padded armrests provide additional comfort; Comes with seat belt for added safety. Folded Dimensions: 33" x 9" x 39.5"; Seat Width Between Arms: 14.5"; Seat Depth: 16"; Seat Height: 19"; Weight Capacity: 300 lbs. Dimensions of the seat is 16x17x19 inches and the seat height is 19 inches.