The Season of Foggy Glasses is Here: Essential Item Anti-Fog Cloth for Glasses - 3 Sheets This is a dry-type anti-fog cloth for glasses, "Reusable Anti-Fog Cloth for Glasses," that quickly and easily eliminates the unpleasant fogging of lenses that occurs when wearing a mask or during meals. Just wipe your glasses when they fog up! It maintains lens clarity without streaks. The cloth comes in a pack of 3 sheets. Each sheet can be used approximately 25 times. The separate pack with a zippered closure is divided into two sections, allowing you to store and keep used and unused cloths separately. It's also convenient for carrying. Because it's a dry cloth, it can be used repeatedly. This product is a set of 3 sheets.