[Easy to Apply] The included special alignment tool makes it super simple and accurate to install the screen protector without leaving any bubbles. [2.5D Round Edge] The advanced and precise cutting technique builds a round edge of screen protector. Fully cover the screen of your watch and protect it perfectly. [Ultra-Clear & Highly Sensitive] 99% Light transmittance. Offer a high transparency screen viewing experience. Moreover, the ultra-thin glass ensures a quick response to every touch and tap. Anti-fingerprints and oil-proof. [Compatibility] Exclusively designed for Samsung Galaxy Watch 5 40mm and Galaxy Watch 4 40mm. Do not fit other models. Please double check the model of your watch before purchg. [High Quality] Built with 9H hardness tempered glass, highly protect the screen against accidental scratches, abrasions, shocks and bumps.