While guidelines like the "eight-by-eight" rule or drinking half your body weight in ounces can provide a good starting point ...

These exclusive Owala bottles always fly off the shelves, and one fan-favorite design just made its long-awaited return.

Typically $35, the Stanley IceFlow 30-ounce tumbler is down to just $28 at Amazon as of March 28 during its Big Spring Sale.

Whether you're a wellness enthusiast or just curious about the science of hydrogen-infused water, this deal lets you test it ...

Coffee and drinkware giant Starbucks just released nine new merchandise pieces for spring, including tumblers, cold cups, ...

Sale has deals on top Yeti products, from tumblers and water bottles to coolers and backpacks. Shop now and save up to $80.