This can of ice crystals add a fascinating, decorative "Jack Frost" effect to glass. Initially clear when sprayed, the spray will crystallize and become translucent as it dries. Wipes off with a cloth and a glass cleaner that contains ammonia or alcohol. Even if you have no snow for winter, this can will bring it to your door! Features. Creates an icy effect. Crystallizes on any glass surface. Use on windows, mirrors or any glass surface. Enhance glass candlesticks and centerpieces. Do not use on varnished or painted wood. Easy cleanup. Made in the USA. 5 ounce can