Rich Colors: This set has 12 most commonly used colors. With this set of pencils, you can draw beautiful patterns on your production. Colors include: Cinnabar Red, Ochre Yellow, Madder Red, Cobalt Yellow, Wormwood Green, Teal, Sky Grey, Indigo, Ink Black, Camel, Ultramarine, White Bright and Vivid: They have high color fastness, and strong adhesion. Both of the two features make sure your painting is uniform coloring. You will paint smoothly and naturally. After fires, they look rich, bright and vivid. Widely used by ceramic enthusiasts and practitioners. They are NOT TOY FOR CHILDREN. Easy to Use: Compared with the traditional liquid underglazes, the pencils are much easier to use without an applicator or brush. These underglaze pencils‘ lead is soft and hard moderately. Perfect for adding details, outlining, shading and signing under your glaze production. In addition, an eraser is also packed for you. You can use it if you need to modify when painting. Safe and Non-toxic Lead: Selecting healthy material, they are lead and cadmium free, non-corrosive, and weak odor. How to use: First use a sponge dipped in water to clean the dust on the surface of the plain embryo, and then paint on it after drying. After the painting is completed, glaze or not glaze as required, and then fire at high temperature. After firing, you can get a pottery product with a beautiful pattern. This set has 12 most commonly used colors. With this set of pencils, you can draw beautiful patterns on your production. Colors include: Yellow, Orange, Red, Brown, Black, Gray, Light Blue, Dark Blue, Dark Green, Light Green.