... .OEM/ODM experience with ISO9001:2008 silicone cover for Iphone 4/4S rilakkuma 1. Material: Silicone Iphone cover for Iphone 4/4S made from silione, food grade, nontoxic, environmental ... of rubber and plastic(phthalate free) products, such as protector cases, keychains, luggage tags, covers, magnets, picture frames, lanyard, mobile phone ...