Shop the best Prime Day Owala deals on water bottles and tumblers, including a rare discount on the 40-ounce style.

And on a normal workday, I find I drink less water when I have a giant 40-ounce bottle staring me in the face. When working at home, I’ve learned I prefer a smaller bottle that’s plastic.

After testing 15 different water bottles, here are our favorites in 2025. Newsletters Amazon Prime Day Share a News Tip. ... Managing hydration during the workday; A touch-free straw; ...