This is a 2.5 gallon natural-colored HDPE f-style container with 63-485 neck finish. An f-style container is typically a larger container with a handle. These containers are typically used for industrial, economy-sized products like cleaners, chemicals, automotive fluids, bleach, and more. High density polyethylene (HDPE) is marked with the resin identification code of 2. HDPE has a high tensile strength, good resistance to chemicals, good impact resistance, highly rigid, and highly scratch resistant.