With Crafty Dab Window Writer Window Paint you can create bright, vibrant window designs with no mess! This special, spring-loaded applicator gives you control without the messy use of jar paint. Crafty Dab Window Writer will not crack, peel or flake off the glass. They come in ergonomically patented designed bottles with color-coordinated caps. The easy flow non-leaking spring valve, the applicator will not dry out. The coverage is four to five times that of jar paints. They are great to use on windows, mirrors, paper, White board, and plastic. These paints are non-toxic, washable and can be used indoors and outdoors. It may stain fabric or car paint. Contains 1.6 fl oz. Adult supervision recommended, not for children 4 years and younger.