The MENOW Professional Waterproof Eyeliner Pencil is a pencil-based eyeliner that is certified by MSDS and GSG. This eyeliner is made with mineral ingredients and is waterproof. It serves the function of being a waterproof eye liner pencil. The product comes in a kit of 12 colors, providing a variety of options for your eye makeup needs. This eyeliner is an excellent choice for those seeking a high-quality, effective eye makeup product.