Engel ENG35 Non-Skid Pad for Coolers Popular with customers who stand or step on their cooler, these EVA non-spid pads and buily to last, and just as easy to install. Non-Skid pads are manufactured in the United States from nonabsorbent, closed cell EVA material specifically formulated for marine applications Marine grade pressure sensitive adhesive backing makes application a breeze. Clean the cooler lid, let dry, then just peel and stick. It's that easy! Made of UV resistant EVA with self adhesive base. Made in the USA.