1. material:sillicone 2. color:balck 3. best service 4. cheap price gripper, snow grippers, ice grippers, fish gripper, grip: 1. material: rubber2. color: black3.anti - slip function4.size: 1size5. packing: 1pair 1box6. we do silicone and rubber items , so we accept OEM , such like silicone cup cover, silicone cake mold etc.