Molded from FDA-approved 15-millimeter polyethylene, reusable drum liners fit snugly into Guardair 55 and 30 gallon steel drums. Seamless, vacuum-formed construction with contoured lip prevents leakage between the liner and the drum wall, while providing easy closure of the drum cover. Ideal for capturing and storing nearly all materials including liquids, chemicals, food, powders, and more. Easy to install. Fit inside Guardair 55 or 30 gallon steel drums. Accessory.