Compatible Models: This Apple Watch cover is specifically designed for 40mm Apple Watch models, including Apple Watch Series SE3/Series SE2/Series SE/Series 6/Series 5/Series 4. *Please confirm the size indicated on the back of your Apple Watch before purchasing.* Waterproof & Dustproof: This Apple Watch case has a built-in sealing ring that fits perfectly on the Apple Watch screen, preventing water from entering. It completely prevents dust, eliminating the need to repeatedly remove the case to wipe off water. The hydrophobic and oleophobic properties of the tempered glass surface prevent water from accumulating on the cover, making it suitable for daily use such as showering, hand washing, sweating, exercising, and rain. (Note: Not suitable for deep-water resistance such as diving.) Full Protection & Impact Resistant: The screen protector of this Apple Watch cover uses 9H hardness tempered glass, and the frame of the Apple Watch cover is made of PC (polycarbonate) material. It has excellent scratch resistance and impact resistance, minimizing damage from drops and scratches to your Apple Watch.