A tube is configured to store and discharge fluid materials. The tube includes a container and a closure formed to include a fluid-discharge port and coupled to the container to place the fluid-discharge port in communication with any fluid stored in an interior region formed in the container. In illustrative embodiments, the closure includes a base coupled to the container and formed to include the fluid-discharge port, a flip-top cap, and a hinge arranged to interconnect the base and the flip-top cap.