UN approved 3.5 gallon pail with Life Latch lid holds up to 50 pounds of dry cell batteries. Dry cell batteries include AAA, AA, C, D, 9-volt, lantern, and types such as mercury, nickel, cadmium, magnesium, nickel metal hydride, alkaline, iron, zinc carbon, and silver. Recycling service available in continental US only. Features life latch lid. Includes poly liner and prepaid return shipping label.