PRECISE COMPATIBILITY (40mm ONLY): The water-resistant case for apple watch screen protector specifically designed for Apple Watch SE 3/2/1, Series 6, 5, and 4 (40mm). Please double-check the engraving on the back of your watch case. (Note: NOT compatible with 41mm, 42mm, 45mm, or 49mm models.) IP67 water-resistant & Screen Anti-Fog Protection: Built with a precise water-resistant sealing ring and IP67 rating, this case effectively prevents moisture, sweat, and splashes from penetrating between the screen and the case, keeping your touch display clear and fog-free during handwashing or workouts. (This protects the screen only, not the watch body sides. Please do NOT submerge in water for prolonged periods, as this will reduce performance and may damage your watch.) Ultra-Responsive 9H Tempered Glass: The built-in 9H hardness glass for apple watch screen protector 40mm provides reliable protection against drops, scratches, and daily impacts. It maintains high touch sensitivity, allowing you to quickly launch apps and swipe smoothly as if there were no case on your watch at all Sleek Design & Hassle-Free Use: The thin, lightweight design adds minimal bulk to your watch, preserving its sleek look. It installs in seconds via a snap-on mechanism with precise cutouts for buttons, sensors, and dials. Supports seamless wireless charging without removing the iwatch case What You Get: Package includes 1x Case (Bumper build-in 9H tempered glass screen protector + Back Cover) and 1x Cleaning Kit for easy installation