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