Use these smooth and dustless pastel chalk markers from Marvy Uchida on any outdoor or indoor non-porous surface. You can wipe away these markers with a damp cloth, making them ideal for a mess-free experience. Details: Includes assorted colors 6 mm chisel tip 6 packs (4 markers per pack, 24 total markers) Water based Nontoxic and fade-resistant AP Certified Conforms to ASTM D-4236 For indoor and outdoor use Contents: Pale Violet Peppermint Blush Pink Pastel Peach