FOR APPLE WATCH Ultra: Perfectly compatible for Apple Watch Ultra 49mm, easy to install, no bubble. 
Waterproof - It is waterproof, water and moisture won't remain between the screen protector and the touch screen. Design is fine for swimming, surf and other exercise. 
3D curved & full coverage - Completely covers watch screen from edge to edge, perfect performance on anti-shock, to maximize watch protection. daily wear and tear. against scratches, drops, and bumps, provide 3D all-around protection to your watch. 
Ultra HD: Provides 99% HD vision and "true touch", restoring the bare-metal touch like your smartwatch doesn't have any screen protector on its screen. 
HIGH SENSITIVITY: 0.1mm Ultra-thin special coating ensures 100% touch accurate. Screens sensitivity worked just as well as with the uncovered screen, even on the edge. 
Oleophobic Coating - Integrated an anti-fingerprint coating, the protector prevents fingerprints and other contaminants and makes the film easy to clean, keeping you watch clear at all times.