AIRHAWK Pro Wide Truck Seat Cushion Size: 22" x 22" / 56cm x 56cm | Weight: 3 lbs. / 1 kg Cushion Material: Neoprene rubber. Cover Material: Polyester blend with a non-skid polyester and vinyl base. Water Resistance: Cushion and cover are water resistant. Cell Height: 2" / 5cm fully inflated (due to the required immersion of the user in the cushion, it will raise the user only (1/2") / (1cm) above the seat.). Includes easy-to-use ISOFLO Memory Contro Unit which provides a new level of support and stability. 3-Year Limited Warranty on cushion, 6-Month Limited Warranty for Cover. Tax-Deductible Work Related Expense for truck owner-operators. To determine if this cushion fits your seat, measure your seat and compare to the dimensions