Wayfarer HD has an open-back vinyl loop design that allows water and debris to pass through the mat keeping the surface clean and dry. Additionally Wayfarer HD offers comfort and added traction making it ideal for pool decks and hot tub areas where slips and falls may be a concern. It's made from a commercial grade 100 PVC vinyl providing long lasting durability that can stand up to pool chemicals and harsh weather conditions including extreme cold making it the perfect year-round mat. Wayfarer HD is resistant to mold & mildew flexible and easy to handle. Simply shake or hose off to clean. 100 PVC vinyl open-back construction.