1The inner layer of nanometer silver, environmental-friendly and healthy, do not stimulate the skin. 2Fine and firm edge, fine stitching, soft and comfortable, wonderful using experience. 3Adjustable buckle, can be pasted at will, not easy to fall off, can be adjusted according to needs. 4High quality fabric, using neoprene and nylon fabric, anti-friction and not easy to deform. 5Suitable for yoga, fitness, jogging, sauna, skip rope, aerobics, hoop, etc.