Gear Aid Sea Gold Anti-fog Gel Coating for SCUBA Masks, 1.25 fl oz Defog scuba masks quickly and stay underwater longer with this anti-fog coating thats non-toxic and alcohol-free Use this long lasting anti-fog treatment on multiple dives for clear vision all day long Concentrated formula prevents fogging for hours with just one application Works on all glass and plastic dive mask lenses; not for use on swim goggles Packaging may vary