FOGGLE is the only anti-fog towelette that not only defogs, BUT CLEANS the lens at the same time. Tested by numerous athletes, FOGGLE is perfect for swim, snowboarding and skiing goggles, cycling and running lens, scuba and ski masks. Simply wipe a thin film of FOGGLE onto the inside and outside of the surface then let dry. Three seconds later the FOGGLE solution disappears and you are left with crystal clear vision that will not fog up under the most extreme conditions. Recommendation reuse the FOGGLE wipe multiple times by keeping it airtight.