Clear Case Packed 38 x 60 4 Mil 55-60 Gallon Drum Liners for a 55 gallon drum are great for industrial use and fit neatly into commercial-sized drums. 55 Gallon Drum Liners are standard weight, cylindrically shaped, flexible plastic liners used in open head, steel or plastic drums. 55 Gal Drum Liners extend the life of containers, are leak resistant, tear-resistant, puncture-resistant and allow for a cleaner environment when processing any product.