Features: Fun and easy to use,nontoxic, odorless, and dust free ink releases easily after a few shakes and pumps of the tip.time to replace the old dusty chalk with bold color chalk markers Comes off easy,when you’re ready towrite and start a mere wipe of a wet paper towel will remove your erasable chalk markers completely and easily from almost any nonporous surfaces. Made for everyone,whether you're a teacher, mom, student, artist, kid, bistros owner, these are the chalk markers you're looking for. Versatile,for use on chalkboard, glass, window and most nonporous surfaces. Wonderful gift,sweet warm gift for friend family or yourself. Specifications: Material:Plastic Color:1,2,3,4,5,6,7,8,9,10,11,12 Package Includes: 1Piece Liquid Chalk Pen note: Please allow 1-2cm errors due to manual measurement,please 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.