The Stanley Quencher H2.0 Tumbler is 25% off at Amazon in both 30 ounce and 40 ounce versions. Warmer weather means it's even more important to focus on hydration. Drinking water sounds easy in practice,

Stanley has finally done it! It's offering a 25% off discount on its Quencher tumblers for the first time ever. Here's how to save during this rare sale.

It’s no surprise that Stanley never offers deals on its viral 40-ounce FlowState Quencher Tumblers, however, that has officially changed. This week, Stanley surprised launched a 25% off sale on select Quencher Tumblers.