The ARDEN Outdoor Deep Seat Set is made for your deep seat chair, conversation, sofa, or couch with long-lasting outdoor olefin fabric with PFAS-Free C0 treatment. Creating an ultra-comfortable outdoor deep seat cushion that is also eco-friendly and Skin-safe for your family. 4 Pack includes 4 Deep Seat Sets; each set includes one large pillow back that features a welt detail and one deep seat bottom. The pillow back measures 24 in W x 21 in L x 6.5 in T and the bottom cushion measures 24 in W x 24 in L x 5.75 in T. The 100% olefin outdoor fabric resists fading, so your patio cushion looks vibrant for longer. Skin-safe C0 water protection helps your cushion set withstand continued outdoor use, while easy cleaning with just soap and water make for low-maintenance upkeep. Two sets of ties on the seat bottom make sure your outdoor deep seat cushion stays firmly in place. The pillow is made with 100% recycled polyfiber blowfill and the bottom is made from partially recycled polyester fill to help it retain shape and provide long-lasting comfort during outdoor use. Although this deep seat cushion set is both water and UV-resistant, we recommend bringing it indoors when it rains or when not in use to preserve its lifespan and keep it looking beautiful.