Gelatos® Colors Sets are perfect for keeping your favorite color categories together! They are extremely versatile and work beautifully when used to tint Gesso, Whipped Spackle, Texture Luxe™ and other mediums. The Iridescents Set contains 12 shimmery tints that are great for backgrounds and accents. Great for colored and black paper. Gelatos® Colors are odorless and acid-free. The clear storage case makes the set easy to transport and organize.