PATCHWORKS ITG PLUS 9H Oil Scratch Resistant Coated Tempered Glass Screen Protector [Only Covers the Flat Area] Compatible For Apple Watch 42mm (Series 1 / Series 2 / Series 3) Compatible with Apple Watch Series 1, Series 2, Series 3 Oil, Scratch Resistant "Made in Japan" Soda-Lime Glass 0.33mm 9H Surface Hardness with Oleophobic Coating Shatter Proof Safety Feature Limited Lifetime Warranty Tailored-fit to your device&#039;s screen. 9H 0.33mm Highest grade Tempered Glass with Preminum coating Provides 9H Surface hardness (Lab Tested) ITG&#039;s hardness is 3 times higher and stronger than regular screen protectors. It is almost impossible to make scratches on the surface, even using sharp object such as knives. Smooth, original touch response. Ultimate coating technology. Crystal clear visibility. ITGs new improved Oil-repel coating is now more strong against oil and fingerprints. Even if they gets onto ITG, its super easy to wipe out any oil or fingerprints from the surface.