Safely contain, store, and transport drums holding a wide range of hazardous materials, including acids and corrosives. Constructed of lightweight high-density polyethylene that is chemical resistant and includes UV inhibitors. Nestable. Choose from plastic lids with metal or plastic locking bands or plastic screw on lids. Lab Packs are for containment of smaller containers, Overpacks are ideal for use with larger drums. Containers incinerate completely when used with the plastic locking lever or screw-on lid. Can be used with packing groups I, II, and III of hazardous materials. UN certified HM-181; DOT 49 CFR 173.3. Yellow (unless specified otherwise).