Add comfort and style to any chair with the AquaSeal waterproof memory foam and Sunbrella fabric cover found in this Seat Cushion from SensorGel. The memory foam is SensorGel's revolutionary AquaSeal waterproof memory foam that deflects water to help keep you dry and enhance the seat cushion's durability. Each seat cushion also features a Sunbrella fabric cover known for outstanding durability, spill protection, and fade resistance which will stand the test of time.