2X ZEISS Fog Defender System, Anti-Fog Solution Kit for Eye Glasses

Zeiss fog defender system is an easy to use spray that keeps your lenses from fogging for up, even while wearing a mask. fog-free vision for up to 72 hours easy to use: spray both sides of the lenses with the zeiss fog defender system and wipe with the included microfiber cloth until dry ideal for: glasses, sunglasses, binoculars, camera lenses, swim goggles, ski goggles, and face shields