"Much better than Stanley cups. Easy to clean, easy to use. Super clean look," says one reviewer.

As a regular user of both, I tested each brand’s 40 oz. tumbler to determine who comes out on top in the great Stanley vs. Hydro Flask debate. What sets Hydro Flask’s All Around Travel Tumbler ...

Right now, Amazon is selling a Hydro Flask All Around 40 Oz Travel Tumbler in Black for ... The Hydro Flask Travel Tumbler has over 400 reviews at Amazon with an average rating of 4.7 stars ...