This pack of 6 hydrogel screen protectors is designed for the Garmin Forerunner 645. The advanced self-healing hydrogel film offers lasting protection against scratches, dust, and everyday wear, while preserving the smooth feel and high visibility of your watch display. Main Features: Pack of 6 clear hydrogel screen protectors for comprehensive backup Flexible, self-healing material to resist scratches and minor impacts Maintains full touch sensitivity and screen clarity Easy bubble-free application and residue-free removal Installation Instructions: Remove your old screen protector Clean the screen with the wipes provided. First the wet wipe then the dry wipe. Stick one of the provided blue stickers to the top of the screen protector on the card provided There are 3 layers of film (The top layer, the hydrogel screen protector & the backplate) Lift the watch screen protector from the card (all 3 layers) Remove the back white plate (hard plastic) Align the screen protector on your watch screen and stick it down Use the scraper provided or a bank card to remove any air bubbles  The remaining bubbles will disappear on their own in a few days Now remove the top film & enjoy your new screen protector Future scratches can be blended out with the scraper provided or a bank card