Welcome to the 21st century beachgoers. You’ll never have an uncomfortable sandy towel again when you use this cool new Sandless Beach Mat. This state-of-the-art mat was originally developed by the military to instantly filter sand, dirt, dust, or water through it as soon as it falls on its surface. It features two layers of specially woven polyurethane that act as one-way filters to prevent sand from re-emerging through the bottom of the mat. Ingenious solution that’s also great for camping or anywhere you need to keep an extra clean spot outdoors.