Yeti Tundra Seat Cushion makes your Yeti Cooler do double duty. The Yeti Cooler seat cushion has at least 2 inches of dense foam and is made of tough white UV marine vinyl stitched with GORE TENARA Sewing Thread. Screw the included studs into the cooler lid and snap the cushion in place. Available for all Yeti Tundra models. All hardware is stainless steel.