Protection against dust and scratched non -surface Suitable silicone cover High wear resistance weatherproof good resistance to oils, fats, fats and many solvents for cable connections and all buttons Outside material: silicone color: purple protection against dust and scratchy slide Suitable silicone cover High wear resistance weather resistance to good stability against oils, Fats and many solvents recesses for cable connections and all buttons outer material: silicone color: purple.