For wheelchair size: (15.5" to 17.5” x 15.5" to 17.25”) or (39.5 to 44cm x 39.5 to 44cm). Actual cushion size: (17.75" x 17.00" x 4.25”) OR (45 x 43 x 10.5cm.) Complete in box with pump, patch kit, documents. Standard cover was upgraded to the optional heavy-duty cover. Professionally cleaned and in excellent condition. Selling for half new cost. Please check dimensions for suitability.