1. Material: Quality high molecular silicone rubber + Special alloyed steel 2. Size: S; M; L; XL; 3. Eco Info. : All materials meet SGS&RoHS certification 4. Feature: 1) Advanced anti-slip function,prevent getting hurt from falling down on snow,ice and wet surface 2) Suitable for every type of shoes and convenient for carry.. 3) Cold Resistance: -40°C 4) Recyclable and no harm to environment 5) with mechanical locking system,hand-free operation 5. Usage: It is useful to protect individuals who may be engaging in activities on a frozen surface or slope. Best package for outdoor use like in a picnic |