Shiva Paintstiks are Oil Colors made from refined linseed oil blended with a quality pigment and solidified into this convenient stick form. They can be spread or blended and can be used in conjunction with conventional oils. Shiva Paintstiks are self-sealing, just peel the seal before using. No unpleasant odors or fumes. In most cases, the paint dries in 24 hours. The regular size stick measures 5/8"x 4-1/2" long. This set contains 12 Professional Grade Iridescent colors- Iridescent White, Iridescent Orange, Iridescent Red, Iridescent Pink, Iridescent Turquoise, Iridescent Blue, Iridescent Green, Iridescent Purple, Iridescent Charcoal, Iridescent Copper, Iridescent Gold, and Iridescent Silver.