Universal Round watch SCREEN Protector (2 Units) Invisible Protection GOOD FOR SMART WATCH TOO by IPG Size options are available (35 mm diameter) Designed for round watches. Aerospace grade patented material engineered for your specific device wet application IPGs unique ingredients provide self-healing for your existing scratches Free lifetime replacement warranty for the life of your watch. Bubble Free Application Virtually invisible 100 % CLEAR. Used by US Air force & NASA to protect the fighter plane's head lights Easy to apply. Can be easily apply on domed watches. Protective, anti-scratch