Feature: 1. No odor, no dust, non‑toxic formula, environmental friendly, can be safely used at home. 2. Easy to use and colorful, replacing old dust chalk, make writing more interesting. 3. When preparing to write, just wipe the wet paper towel to completely remove the old traces, suitable for LED light board and smooth surface media. 4. A total of eight, and eight different colors to meet your writing needs. 5. Small, light in weight and easy to carry, bringing you more convenience. Specification: Condition: 100% Brand NewItem Type: Liquid Chalk PenMaterial: PlasticColor: As the Picture ShownQuantity: 8PcsLength: Approx. 150mm/5.9inInstructions 1. Hold the pen flat in your hand and shake it. 2. For the first use, please pull the cap up and press the tip to let the air out. 3. Press the pen tip down vertically on the paper several times until the ink flows out. 4. When the ink is exhausted, rotate the pen head downward to insert the rear plug, and add ink to the barrel. 5. After adding ink, rotate the back plug back to write again.. Package List: 1 x Set of Liquid Chalk Pen ( 8Pcs )