Gym Grass is a marvelous, multi-purpose and very durable superior quality artificial grass / turf , made of ADVANCED UV resistant yarns, polyethylene fabric and durable latex backing, all materials come from the top suppliers all over the world and strictly tested in our laboratory.Perfect for all indoor and outdoor projects. artificial grass is non-toxic and lead free, making it an excellent surface for pets and kids to play on.4 tone patterns are soft, lush and looks just like natural grass, providing you with year-round green and turf enjoyment.