The item for sale is 4 Ounces of Red Iron Oxide (Fe2O3), also known as Ferric Oxide or Hematite. This product is non-toxic, insoluble, and has wide dispersion characteristics. Red Iron Oxide is commonly used as a pigment to achieve anything from a light pink to deep russet color. STURDY PLASTIC BOTTLE: Our bottles are made of durable Polypropylene Plastic, which is a natural, translucent, lightweight, durable, and chemically resistant copolymer. The screw-top is completely leakproof. Bottle is sealed in plastic with the screw-top shrink-wrapped. HUNDREDS OF USES INCLUDING: Cosmetic Pigment / Plaster Pigment / Concrete Pigment / Paint Pigment / Precious Metal Polish (Jeweler’s Rouge) / Pyrotechnics / Pewter Mold Release / Lens Grinding Abrasive / Lapidary / General Non-Toxic Colorant.