1.Japan Materials,3 laysers ,0.128mmPET Hard Coat ,Composite silicone adhesitive,0.05mm PET liner 2.German Precision mold -17% ... and Reusable: Never need to buy another screen protector again -Silicone Adhesive Coating: No glue residue when removed -Ultra Smooth Surface ... .Test Method: In accordance with ASTM D-1000 method High clear film For Mobile ,DC ,iPad,iPhone,PSP,GPS,Camera,Notebook ...