This Thermal Specialty Powder, Twilight to Turquoise, is part of the Spin It Collection from We R Makers. This package contains 0.35 ounces or 10 grams of powder. This powder when heated, changes color, it goes from Twilight to Turquoise. To use, mix the powder into the epoxy (sold separately) and when it is heated, you will see the color change. You can start out with a small amount and increase it until you reach your desired opacity.