Idea Chalk Easy to Use, Easy Clean Up Bright Vibrant Liquid Chalk Marker Pens For Arts, Crafts, Drawing, Bistro Menus, Playtime, Vehicle Window Messaging, Educational Activities & Office Presentations &#x270E; RICH VIBRANT NEON COLORS that can be used to create bright awe-inspiring designs in arts and crafts or for Restaurant menu boards &#x270E; FOR USE ON SMOOTH SURFACES(NON-POROUS) not suitable for writing on chalkboards. Great for windows, tile, whiteboards, paper, metal, plastic and more! &#x270E; REVERSIBLE BULLET / CHISEL TIP enables you to create both fine and bold work. Great fun for children and adults creating holiday window drawings for Thanksgiving, Christmas, New Years, Mothers and Fathers Day, 4th of July, Halloween, Birthdays and more. Business owners can use these chalk pens for writing menus, bistro boards or window display advertisements. &#x270E; NO SMUDGE! NO MESS! DUST FREE! NO RUNNING OR DRIPPING Simply wipe with a damp paper towel or cloth and it disappears! Non-Toxic Idea Chalk is suitable for all ages and virtually any application. &#x270E; IDEA CHALK IS GREAT FOR KIDS PLATIME encourages imagination  easy to erase and make changes!