Add additional comfort to your seating with our 22 x 20 in. Sunset Sunbelievable™ seat cushion. This seat cushion features a double-welted, tapered shape enclosed by a zipper with a 2.5 in. cushion thickness. The interior consists of 50% Urethane foam and 50% Polyester fiber wrapped with blended solution-dyed acrylic fibers. The fabric is woven with solution-dyed acrylic fibers and a fine solution-dyed polyester to produce a luxuriously soft and more intricately textured fabric. Sunbelievable™ is a customer favorite because of its durability and low maintenance care. This high performance fabric is constructed to be fade resistant, stain-resistant, and chlorine resistant to ensure great quality over time. Secure this seat cushion to your chair with the two ties to keep firmly in place.