The silicone-free towelettes clean without fogging or leaving static residue on lenses. 100 individually packaged, pre-folded 5"W x 8"L Towelettes are packed in one convenient corrugated dispenser. Won't damage coated lenses. Antifog Towelettes work in one easy step to clean and prevent fogging on uncoated glass, polycarbonate, CR-39 plano and prescription lenses. This formula lasts a full 8- to 10-hour shift.