Product DescriptionThe Back Buoy weighs 2.9 pounds and is 25 tall and 13 wide. It is only 2 deep and displaces 3 due to its curve. It has a high impact core, which is indestructible in customary use. The core is made comfortable with polyurethane foam and the outer fabric is a cooling mesh that is designed for extended daily use. It has two carrying fabric handles and two adjustable elastic straps with quick release buckles that enable optional attachment to most chairs and auto, truck, bus or plane seats.