Knocked Down Cubitainer

A knocked down cubitainer ships flat and folds into a rigid, cube-shaped container when you need it — combining the collapsibility of a flexible bladder with the stability of a corrugated outer box. For labs, clinics, and facilities that store or transport liquids in volume, this design solves two problems at once: it saves shelf and freight space before use, then stands up on its own once filled.

The typical construction pairs an inner low-density polyethylene (LDPE) liner with a fitted corrugated fiberboard sleeve. The liner holds the fluid; the sleeve gives the assembly its shape and lets you stack filled units without crushing. A spigot or screw-cap opening on the front face makes controlled dispensing straightforward, which is why cubitainers are so common for reagents, distilled water, deionized water, sampling media, and other bulk liquids.

The main reason buyers choose the knocked-down format is storage economy. Because the containers arrive collapsed and are assembled only when required, you can keep a large supply on hand without dedicating significant space to empty containers — a real advantage for high-throughput environments and anyone managing inventory in tight quarters. When you're ready, the box folds up in seconds and the liner drops in.

When comparing options, pay attention to capacity (commonly available in several gallon sizes), the cap or spigot type, and whether the liner material is compatible with the fluid you intend to store. Chemical compatibility and closure style matter most for reagent and sample work, while capacity and stackability tend to drive purchasing for water and general-purpose use.

Browse the full Cubitainer collection for assembled and alternate configurations to match your fill, dispensing, and storage requirements.