What makes you choose colored liquid chalk markers All 8 packs are made of high quality materials that stay durable. Vibrant chalk board markers with bright colors will create impressive projects. New safety cap, makes your paint marker pen last a long time without any additional accessories. Easily to clean up With a damp cloth or paper towel when using on all recommend surfaces. Applicable scene: Commercial (shop promotion advertisement, window advertisement, wall graffiti.) Family (Use of children's graffiti drawing, help children develop intelligence, use of parent child activities, and increase emotional exchanges with children.) Office (conference discussion, can be used for whiteboard, blackboard, glass writing.) School (for teaching.) Choose a liquid marker in your favorite color, Shake well. Endless possibilities and tons of fun Your Liquid Chalk Markers let your creativity come alive! You'll love these liquid chalk markers as a gift for the creative youngsters in your family; as a fun and reliable education tool; as an easy way to attract customers to your restaurant, bistro, store or business; and so much more! How to Use First use, you need to light press the pen tip. Hold the pen, then shake it back and forth several times. Press the pen tip several seconds until the pen tip is full of ink. You can use these colored erasable pens to picture your artistic dreams. After each use, you need to cover your pen cap. How to Erase Use damp cloth or towel to erase the ink. Best erasing results are within two days and on completely non porous surfaces. Packing: 8pcs/box. Specification: length 5.6 inch; width 4.8 inch; height 0.8 inch.