Create pearlescent effects with Perfect Pearls. Designed to be used with Perfect Medium, they are specially developed with a built-in resin to use wet or dry. Mix with watercolors, inks, acrylic paint, Ultra Thick Embossing Enamel, embossing powders, and other mediums. Acid free and non-toxic. Adheres to many surfaces. Pigments are non-toxic and acid-free. The jars are .25 oz, but weight varies by color. Made in USA.