This 4-layer water carpet from O'Brien features a soft foam construction that you and your friends are sure to enjoy. Whether you're running, jumping, or just lounging in the sun, the water carpet provides countless hours of fun. Design includes two grommets for rope attachment so you can easily secure the mat to your boat or dock. Bright color enhances visibility on the water. Water carpet conveniently rolls up for storage after use. 18'L x 6'W x 1.625"H. One-year limited warranty.