125microns, 3 ply , 3H coating, anti resistance, water proof, dust proof, light trans is over 95%. self adhesive. Offer protection against damage and scratches, heat resistance and water proof. Could be used on PC screen, I phone and glass protection. The construction of it:PET release film + optical breathing silicagel + optical PET film + surface hardening coating + PET protecive film 3 ply, ...