45mm screen protector is designed to use with the Apple watch Edge-to-edge shock and shatter protection offers thorough shielding to your watch Treated with anti-microbial properties guard the screen against degradation caused by microbes Nano-memory technology with smart molecules mends small scratches and dings to keep your watch looking new and pristine Glass-like surface with high gloss finish renders clear and crisp display of the screen EZ Apply installation enables simple and instant installation