Our hype-transparent PET material is using high performance environment friendly adhesive and a transparency up to 90%. It uses high performance environment friendly silicone adhesive, automatic bonding, bubble free, no residuals, no tracks, and corrode no surface. With high anti-static performance, this matte clear screen protector is anti-scratch, anti-fingerprint, anti-static, and anti-friction. Treat the surface with SMART process to against abrasion and scratching can effectively prevent abrasion and UV on LCD screen, Non-corrosive adhesive and effectively take care of your loved machine. Safe, reliable, does not contain any harmful ingredient to the human body.