Compatibility (40mm ONLY): Compatible with Apple Watch SE 3/2/1, Series 6/5/4 (40mm). Please check the "40mm" engraving on the back of your watch before ordering. (NOT compatible with 41mm, 42mm, 45mm,46mm, or 49mm models.) IP67 Water-Resistant & Anti-Fog Screen Seal: Built with a precise sealing ring, this case keeps moisture, sweat, and splashes out from between the screen and the case—so your display stays clear and fog-free after handwashing or workouts. (Please note: Protects the screen only, NOT the watch body. Do NOT submerge or shower with it on.) 9H Tempered Glass & Hollow Back Cover: The built-in 9H tempered glass cover stands up to drops, scratches, and daily bumps—and keeps your touchscreen fully responsive. The open-back cover protects against desk scratches while leaving your heart rate sensor completely unobstructed Slim, Lightweight & Hassle-Free: The thin design adds minimal bulk and keeps your watch looking sleek. Precise cutouts give you easy access to buttons, dials, and sensors. Supports wireless charging without removing the case What You Get & Support: Package includes 1x Watch Case (Bumper with 9H Glass + Hollow Back Cover) and 1x Cleaning Kit. For sizing or quality questions, please reach out via yourModazoneaccount