Economical liners are vacuum-formed from FDA-Approved low density polyethylene (LDPE). The molded contoured top lip ensures a tight fit to the drum. Straight-Side Liners have a rigid smooth wall that is easy to insert and obtain full product recovery. Ideal for use with new drums. Pleated-Side Liners have "accordion" wall, adjust to fit drums of different heights; specially designed for use with reconditioned drums. Anti-Static Liners are molded with a special static-dissipating agent; ideal for use in flammable areas.