Made of 1 sturdy aluminum tubing * Four inch wheels * Cover is made of a green vinyl coated 18 oz. nylon * Cover is fungus and rot resistant and is easily wiped clean * 2 wide patient restraint straps with automotive seatbelt-type buckles * Dimensions: Open 74 L x 20-1/2 W x 9 H * Folded 36-1/2 L x 20-1/2 W x 3 H * Wheel base 53-1/2 inches * Weight 13 lbs. and can ship UPS