... according to QTY CE, ISO, ROHS approved Made of silica gel or rubber use as chock or foot ... ....1. Mylar ,PC, PET, sping gluing, all kinds of double side adhesive tape such as 3M,SONY etc. all used ... in ancillary equpiment of computer , phone, protective film for videocast Equipment, EMI ... shield, and insulating objects.2. Made of silica gel or rubber use as chock or foot ...