Product Details + Kitpas Art Crayons Large 12 Colors "Kitpas Art Crayons Large 12 Colors" is longer and slightly thicker Kitpas for increased durability. Perfect for coloring large surfaces. DRAWS ON NON-POROUS SURFACE Draws on almost any surface: paper, glass, mirrors and whiteboard. When to clean off, just wipe with wet cloth. SAFE FOR CHILDREN All Kitpas products are non-toxic and safe for children. All made in Japan.