These rugged tumblers are a compact alternative to a certain other buzzy brand, shoppers say — and they're truly leakproof!

It's essentially a large cup with a straw and is available in a rainbow ... but considering how the Stanley cups are built to last and are exceptionally hardwearing, I recommend investing in ...

A new addition to the Stanley cup family, the Quencher ProTour Tumbler has all the same benefits as the classic tumbler but with a leakproof flip straw lid. The built-in straw folds up and down ...