Deep seating outdoor thick cushions seat/back set made of 100% polyester cover with UV treatment.Comfort and longevity for used; filling material uses 100% recycled post-consumer plastic bottles and 100% recycled poly batting and rebound quickly polyurethane.Suitable for indoor/outdoor used; mainstays outdoor chairs cushions gives an elegant look to your deep seat chair for patio,They can also serves as a replacement, anti-slip cushion for your sofa.Comes in 2-pieces. Seat cushion measures 24 in. L x 24 in. W x 4 in. H, back cushion measures 22 in. L x 24 in. W x 6 in. H. Cushions are easily maintained ,covers with zipper for replacement and removable, using a clean rag and a mild soap solution with warm water under 30°. Allow to air dry. Do not Bleach. Do not Iron.