Standard 80-230 lbs * A self-powered lifting cushion that converts an armchair into an automatic lifting chair * Lifts up to 80% of users weight 10 high * Uses high density memory foam to provide a comfortable seating surface * Portable unit includes built-in handle and black waterproof cover * Seat Dimensions: 19 D x 17 W * 1 year warranty * HCPCS Suggested Code: E0629