Grease pencil for smooth surfaces, especially for marking on glass and dark surfaces. Features a soft lead, intense and rich in color. Water-soluble, washable from most surfaces and textiles. Can be easily removed with water from smooth surfaces like metal sheets, lacquered and galvanized metal, rubber, PVC, leather, textiles, lacquered and coated wood, stone, glass, porcelain, and paper. Also works great on dark and transparent surfaces, even if they are dusty. Additional features: lightfast, odorless, never dries up, and will not lead to corrosion. Available in these colors: white, yellow, red, blue, and black. These pencils are heat resistant to various degrees of temperature, depending on color. Max 1832 degrees F (1000 degrees C): white, yellow and black. Max 392 degrees F (200 degrees C): red and blue. SOLD 12 per box