FOGGLE is unique - it is the only anti-fog towelette that actually cleans the lens while defogging. Tested and approved by numerous athletes, FOGGLE is perfect for swim, snowboard and ski goggles, as well as scuba masks and will leave you with crystal clear vision! Simply wipe FOGGLE onto your dry lens then let dry. Results are crystal clear lens that will not fog up. We are so confident that you will love FOGGLE, we know you will never go back to using 'anti-fog drops' again. Keeping the wipe air tight will allow 6-8 applications.