With an industry-leading hardness of 9H, the screen protector for the Garmin Forerunner 245/245 Music offers the finest protection for your original screen against breaking. It is made of the highest quality tempered glass. Maximum defense against drops with high impact, scratches, scrapes, and bumps that directly hit the screen. https://screenshield.com.au/products/brotect-airglass-glass-screen-protector-for-garmin-forerunner-955-solar