Lalizas Buoyant Deck Cushion, Single - WhiteLalizas Buoyant Deck Cushion, Single White Buoyant deck cushions are equipped with a waterproof outer material and are filled with polyethylene foam. There are integral straps around the cushions, to carry them easily and quickly. The cushions lock on your boat through a nylon hook at their back. Buoyancy cushions are either single or double, depending on your needs, and come in white, red, and blue colors. White cushions are made of PVC, while red