10 Vibrant Colors - Use these thin chalk markers to decorate any Non Porous surface including, shop storefront, metal, whiteboard. Chalk Paint markers have water based ink. Can Be Used On Many Surfaces - These perfect erasable chalk paint markers can be used to decorate wedding signs, shop storefront, milestone boards, menus, LED board, contact paper, car window markers, bistro chalk marker & as window markers Made for Everyone - Whether you're a Teacher, Student, Artist, Office or Restaurant owner our bold rich pigmented dry erase chalk markers for blackboard make creating beautiful messages effortless. Washable Markers | Comes Off Easy - The chalk markers for chalkboard will work on almost any surface! These chalk board markers will erase off non-porous surfaces such as glass & mirrors (dry & wet erase) & permanent on porous surfaces (like wood). Non-Toxic, Mess-Free - These liquid chalk markers are washable, dustless, non-toxic and safe for use at home.