Stanley just released a brand-new Quencher cup – and say it’s completely leak-proof

Stanley has launched a new leak-proof Quencher tumbler, the ProTour Flip Straw Tumbler, with a 1.2-litre capacity and double-walled stainless steel construction for keeping drinks chilled. Available in five colors, it is aimed at fitness enthusiasts and is now available in the UK for £50 with free shipping. While the original FlowState tumbler had occasional leaking issues, the new ProTour is marketed as 100% leak-proof, making it a popular choice for customers.

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