Packing :1 seat cushion(19x19x3 inches)and 1 back cushion(19x16 inches),please measure your chairs before buying. Cushions are vacuum-packed,please give it 24-48 hours to fully expand. Fabric :Water proof,fading resistant and tear-resistant ,PFAS free treated solution-dyed polyester fabric with TPU coating. Filling :The cushion filled with high - density 30D foam and 100% polyester fiber offers excellent support and long - lasting comfort. It helps relieve pressure, enhances relaxation, and increases durability for long - term performance. Care instructions :Wash fabric parts with mild soap and water, rinse thoroughly and dry completely.