Tuff Jug Utility Container Tuff Jug Utility Containers redefine the efficiency in fluid storage and transfer with their innovative design. Available in 10-liter and 20-liter sizes, these containers employ a groundbreaking multi-layer Hpde construction. This distinctive make-up includes a transparent viewing strip, enabling easy monitoring of the fluid level and simplifying oil-mix measurements. Each jug comes equipped with a Tuff Jug Standard Cap featuring a threaded 1-inch plug insert, seamlessly integrating with Auto Stop spouts and a variety of Tuff Jug 1-inch accessories, enhancing usability and convenience. Features: Heavy-duty, fast fill storage container 3rd generation, fully internally vented jug (no exterior vent tab near handle) Included Standard Cap with removable 1 NPT threaded plug insert Accepts Tuff Jug 1 auto-stop spouts and other 1 accessories (sold separately) Jug bottom is designed to prevent sliding and spilling in your truck bed Integrated handle also serves as a lash point for transport Available in 10 liter (2.64 gallon) and 20 liter (5.3 gallon) versions Patent pending Hpde construction