Make sure your boat is legal with this U. S. Coast guard approved Throw able flotation cushion. The Onyx cushion has convenient webbing grab straps for aid in throwing during rescue, and doubles as convenient carry handles. Constructed of durable nylon oxford fabric to withstand abrasions and soft comfortable foam to allow it to also be used as added cushion on your boat seat. Measures 15"x16"x2. 5"