Gel Wheelchair Cushion 24 x 18 x 2 Cane Accessories * Professional grade percussion massager provides 14283 * Professional grade percussion massager provides a targeted deep tissue massage * High intensity percussion system delivers up to 3000 pulses per minute * Five massage intensity settings with up down electronic thumb switches for precision control * 3 pairs of multi density massage nodes for custom comfort * Ergonomic non slip handle reaches all parts of the body * Soft touch front grip for precise two handed use * Lateral elastic insert in patella strap repositions pad according to knee's ROM 24 (W) X 18 (D) X 2 (H) Gel U Seat Lite General Use 2 Gel Foam Wheelchair Cushion zippered and removable with a durable vinyl bottom