Construction Paper Crayons allow the flexibility to color on a variety of paper types including craft paper, paper bags, cardboard & light-colored / dark-colored construction paper. Crayons are double-wrapped for added strength with the color name on the label & packed in a sturdy, compartmentalized, convenient, reusable Classpack. Each box contains 25 each of 16 colors: pink, red, red-orange, orange, yellow-orange, yellow, yellow-green, green, blue-green, blue, blue violet, violet, red-violet, brown, black & white. Crayons are certified AP nontoxic & conform to ASTM D-4236.