humangear GoToob

The award-winning and patented gotoob is made from soft yet rugged silicone, so it's easy to squeeze down to the last drop. A large opening makes it easy to fill and clean, and an id-window on the collar helps your remember what's inside. Airplane carry-on approved, food-safe fda and 100 percentage bpa and pc-free. Slips easily into pockets, bags, or purses.