Non-toxic, does not contain PVC (not including chloride, excluding metal elements). The natural oxide cracking, recyclable and prevent environmental pollution. Soft, lie down, flat out on the ground, the whole piece of cushion can post live ground and seize the ground. Light weight is about 1100 g each, or cushion, lighter than PVC foam mat about 300 grams, portable collection. The surface moist circumstance, still can maintain the performance of the slide. Into a sports injury.Waterproof, prevent slippery, even if the soles of your feet, palms sweating, above do yoga practice, prevent slippery effect is still good.Is, on the back of the building has a beautiful anti-slip granules, slide effect is better.