The Sand-Free MultiMat from CGEAR SAND-FREE was developed for situations where you need reliable, high quality ground cover that conquers the terrain.CGEAR's Sand-Free products feature a unique patented weave that functions as a "one-way sift" ensuring sand, dirt, and dust will fall easily through the fibers, while locking out any pesky particles from the ground below and keeping them from seeping through in the other direction. This technology is commonly used bymilitaries around the world, and now comes to your outdoor and waterlife. You can toss tarps,canvas, towels, even ugly concrete slabs outside your RV, since the MultiMat is more than up toreplacing them as your ground sheet. It is astoundingly sturdy, with a dual-layer weave designedto keep your chairs and tables on solid ground, and D-Rings along every edge, letting you 'stake'out your piece of earth without hassle. Or just throw a towel or blanket on top and head to thebeach- and enjoy a more relaxing 'Sand-Free' experience.