I tested Stanley’s viral Quencher 40-oz tumbler for over a year to see if it was worth the money. Here are the pros and cons to the popular water bottle.

The 40 Oz Quencher ProTour with its signature leakproof straw and 11-hour cold retention has become a must-have accessory for hydration enthusiasts.

And then there’s my "travel" Stanley (aka a spill-proof 40-oz. IceFlow) that slides perfectly into my car’s cup holder and doesn’t spill no matter how bumpy the ride gets.

The Stanley Quencher H2.0 Tumbler is a durable, high-capacity drink container designed to keep beverages cold for hours. Featuring a sleek, ergonomic design, it holds up to 40 ounces and includes ...

This week, shoppers can grab six Stanley 40 oz Quencher H2.0 FlowState Tumblers for $30 each. The Stanley Adventure Quencher 40oz Travel Tumbler H2.0 is the refresh you’ve been waiting for.

And while, technically, you can fit a full bottle of vino in the classic 40-ounce Stanley Cup (seriously, I checked), if you want to appear, well, a little classier, there's an actual wine set on ...

Stanley Quencher H2.0 Flowstate Tumbler 30 oz in Soft Rain Bloom $21 after discount This tumbler offers the same features as the 40-ounce version but in a more compact size, making it perfect for ...