Features: 10pcs,white chalkboard markers,premium-bright chalk-ink that dries quickly and will not smudge. perfect for more detailed-projects. sufficient pigments, one set can be used for a long-time, non-toxic, tasteless, safe and healthy. Erasable on many surfaces,perfect for chalk labels, glass, blackboards or-wood. best-of-all, erasable chalk markers wipe clean with water. Made for everyone,whether you're a teacher, mom, student, artist, kid or bistro-owner , these are the chalk markers you're looking for. Comes off easy,when you’re ready-to write and-start-fresh, a mere wipe of a wet paper towel will remove your erasable chalk markers completely and easily from almost any non-porous surfaces. Package include 10 pieces liquid chalk markers for blackboards. Specifications: Material:Plastic-Shell Package Includes: 10 Pieces White Liquid Chalk Pen note: Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.