Includes a variety of sorbents to handle nearly any type of caustic, hazardous or unknown spill, including acids, bases, solvents and chemicals. Prepacked in an X-rated DOT approved 20 gallon overpack salvage drum. Leakproof, twist on lid is notched so you can easily tighten with a 2x4 or pole. Polypropylene material with UV inhibitors is durable, lightweight and chemical resistant.