These crayons are formulated to achieve vibrant coloring effects on porous surfaces for mixed media. Ideal for creating brilliant backgrounds, water coloring, smudge effects and more! This package contains six 5-1/4 inch long water-reactive pigment crayons; Festive Berries, Rusty Hinge, Fossilized Amber, Peeled Paint, Chipped Sapphire, and Seedless Preserves.