Generic Polyester Fiber Material Square Cushion Size 17.7x17.7x3.54 inch Color Coffee Polyester This product is 100% polyester fiber, comfortable and soft skin irritation This product uses the pearl cotton filling, and more thick than most of the other cushions Using high density surrounding edge stitching, three-dimensional and durable With the special craft processing, it has certain antibacterial effect on mites The manual sealing, no button positioning ring