ice grippers,ice spiker ,ice cleats: 1. material: silicone 2. color: black ,red etc 3.anti - slip function 4.size: 1siz ice shoes cover,ice spiker , magic spiker, ice cleats: 1. material: rubber2. color: black, red, etc3.anti - slip function4.size: 1 unisize5. packing: 1pair 1box6. we do silicone and rubber items , so we accept OEM , such like silicone cup cover, silicone silly band, silicone ...