Non-toxic. Cleans up completely! Large washable crayons. Creativity stays, stains don't! Crayola Washable Crayons are designed to easily wash off walls with just warm water and a sponge. These are the perfect Coloring Book Crayons for kids! Their large size makes them easy for little hands to hold and color with. Product Safety Information: Conforms to ASTM D-4236. Meets performance standard ANSI Z356.1. Made in Mexico.