60ml sized bottle with integral easy use brush on applicator, safe for all glass and plastic lenses — will not harm surrounding silicone or rubber support frames. Alcohol-free, non-toxic 2-in1 specialised concentrated formula, designed for the ultimate in dive mask defogging, provides a quick and easy solution when and where required. Sea Drops is also excellent for most glass and plastic lenses on items such as ski goggles, eye glasses, face masks, binoculars and telescopes etc. Not suitable for use on Swimming Goggles, please use McNett Gear Aid Goggle Bright.