Waterproof Foam Cushion for All Purpose SeatingThe Allen Foam Cushion 13 x 14 x 1 is designed for versatile comfort wherever you need it. The Vanish Foam seat features a waterproof top layer to help prevent moisture absorption making it ideal for outdoor use. It also works equally well in stadium seating or other events where added comfort is essential. Measures 13 x 14 x 1 inches Waterproof top layer Designed for multiple uses Lightweight and easy to carry Suitable for outdoor and stadium seating