Material: TPR 201 stainless steel teeth. Inch: average size. Shoe size: 36-44 Color: black children 30-36 yards inch: unextended length: 25.5cm Weight: 92G Way: Suitable for winter people to walk on the road covered with snow and ice, anti-skid, mountaineering, hiking, fishing wear to prevent falling. Cannot walk on marble floor tile special point: light weight, wear nature, easy to carry, convenient and simple, clean water, wear-resisting, strong fastness, high cold resistance, strong safety.