Use: Overglaze to prevent devitrification on kiln-fired glass projects & can be used as overglaze for dull or matte surfaces. Features: - Reformulated 100% lead-free, - Clear, low melting glass, ground to micron size, suspended in spray medium, - Can be brushed or sprayed on, - Can be used on food bearing surfaces, - Fire to minimum 1300oF (704oC), Size: 8 Oz. bottle.