The Onyx MAX5 Realtree Camo Throwable Foam Cushion is a rescue accessory that is approved and legalized by U.S Coast Guard. The square shaped foam with convenient webbing grab straps helps in throwing it during rescue. It features functional and comfortable PE foam and is made of durable nylon oxford shell for sturdiness and withstands abrasions. The Onyx MAX5 Realtree Camo Throwable Foam Cushion is a Type IV throwable device approved by the US coast guard.