Gallery Glass® Window Color™ simulates the look of stained glass on glass, mirrors, styrene & more. Its unique, water-based formula can be applied vertically or horizontally and creates a variety of textures from smooth to rippled. In vivid decorator colors, the Window Color™ squeeze bottle features an applicator tip for greater control and easier painting, and Window Colors blend beautifully, Clean up with wet with soap and water, peels off when dried. Blend your colors, or use brush strokes for varying effects. Makes wonderful sun catchers as well as Christmas decorations to press and cling on any glass object.