Martha Stewart Crafts Glow-in-the-Dark Finish is a waterbased indoor/outdoor brush-on finish. When used as a top coat, it seals and protects decorated surfaces while providing a bright, phosphorescent glow. Use on wood, papier-mache, tin, terra cotta, canvas, plastic, plaster and artificial pumpkins. On glass and ceramics, use for decorative purposes only; surface is not washable. Includes one 6 oz. bottle.