These crayons are formulated to achieve vibrant coloring effects on porous surfaces for mixed media. Ideal for creating brilliant backgrounds, watercoloring, smudge effects and more! This package contains six 5-1/4 inch long water-reactive pigment crayons; Mermaid Lagoon, Mustard Seed, Peacock Feathers, Pickled Raspberry, Spiced Marmalade, Twisted Citron