... Rubber inside and outside prevent from dust,slip.dirt4.PC case prevent pad from scratches ,fingerprint,bump5.Non-Toxicity and ... onlyColors:White, Black, Pink, Blue, Orange, Purple, Green, Package:OPP Bag ,or customer's packing acceptable.OEM service:Logo or image ... .It's your ideal choice .The TPU case ,leather case ,and pc wrapping leather case are available in our company .OEM ODM business welcome !