Patented worldwide, the GoTubb's ingenious design opens and closes with just one hand. humangear GoTubb 3-Pack - Medium is great for pills, knick-knacks, snacks, vitamins, change, or just about anything. Food-safe (FDA) and 100% BPA-free, PC-free, and phthalate-free.

Fluids? GoTubbs are water-resistant, not water-proof. They are not designed for use with fluids (that's what GoToobs are for!).