Cyxus Ultra Clear 9H Tempered Glass Smart Watch Screen Protector High Definition Scratch-proof for Apple iWatch (AppleWatch) 42mm Premium Tempered Glass Smart Watch Screen Protector for iWatch (42mm) Made of 9H hardness tempered glass, so it is firm enough to prevent scratches, scrape and crack. Protect the screen of your device High Definition Transparency Film that ensures maximum resolution for Display. TruTouch Sensitivity for a natural feel that provides flawless touch screen accuracy Anti-fingerprint Oleophobic Coating magically resists oils and reduces annoying fingerprints Easy to Install with self-adhesive silicone and bubbles-free/no Residue.