ECO friendly, non-toxic formulanLong lasting gel formula, Only use one u0026#34;BBu0026#34; size dropnNatural and biodegradablenWorks on glass and plasticnUse for wet or dry applications; Not recommended for swim gogglesnSpit antifog gel works on anything that fogs, including dive masks, paintball masks, sport goggles, safety goggles, ski goggles, eye wear, windows, binoculars, scopes and more. Apply wet or dry - spit gel is so thick it can even be applied under water. Just one tiny drop works all day. spit antifog... the most recognized name in antifog... see what you’re missing. CAUTION: spit antifog is not recommended for swim goggle use. For swim goggles use Quick spit antifog spray.