[Application]- Compatible with Garmin Forerunner 255/ 255 Music 46mm (2022 Released) Only . NOT fits for Forerunner 265/ 255s 41mm and other models . ️46mm refers to the dial size , Not the screen size. Package Included 4 pcs tempered glass with all cleaning tools, 5 Pcs Silicone Anti-dust Plugs. [Bubble-free Installation] - Special Alignment sucker Tool makes applying the screen protector easy and accurate, no air bubbles . After remove screen cover without leaving anything on it. [Anti-explosion and Scratch Resistant]- Made of High alumina glass and more tempered time, 9H Hardness protect your watch against accidental drop / scratches during all activities. [Sensitive Touch] - It doesn't affect the touch screen and easy access to all controls, sensors. The touching of the screen protector is responsive, just like the original screen. [Ultra High Definition ] -Made from tempered glass material, features high transparency and ultra-low reflection, 99% light transmittance. 【Anti-Dust Plug】 Made of soft rubber, protect your charger port from dust, sweat.