Perfectly compatible for your Apple Watch Ultra 49mm, easy to install, no bubble.
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.