High Quality Fabric Chair cushions are covered in a heavyduty outdoor polyester fabric that is water, stain, and fade resistant Soft and Comfortable Cushions are generously filled with a soft polyester mixed recyclable foam fiber, which has good rebound effect, relaxing your hips Nonslip Design This patio chair cushion design with lenght attached ties and spring band, better fix to the chair. Sewn circle tack construction prevents cushion fill from shifting and bunching Easy to Clean Maintain by spot cleaning with a clean rag and a mild warm soapy solution Dimensions 44 x 19.4 x 4.Because of the seatback cushion come vacuum packaging, please allow a few days for product to expand to final size