YETI Tundra 65 Seat Cushion - Marine Vinyl White Make your Tundra cooler do double duty on the boat or dock with the YETI Seat Cushion Cushion made of tough, UV marine vinyl so it stands up to the sun and outdoor elements Stitched with a long-lasting thread which enhances the life of outdoor and marine products To install screw the included stainless steel studs into cooler lid and snap cushion in place Dimensions are 30.25 in long x 16.75 in wide x 2 in high and weighs 2.3 lbs.