Extremely rugged, the Aqua-Tainer is stackable when empty for compact storage and has some great features including a premium screw on vent cap. The hideaway spigot reverses for safe storage.Specifications and Features: Rigid, 7-gallon rectangular water container with molded contour grip Space-saving design for easy storing and stacking when empty New and improved screw-on vent; hideaway spigot for on-demand water dispensing Suitable for outdoors activities and emergency water storage Five-year warranty against manufacturer's defects