After facing waves of complaints from customers, Stanley has finally launched a 'leakproof' update to its loved Quencher Tumbler. The brand new Quencher ProTour Flip Straw Tumbler is available for purchase Stanley's official website, and other select retailers.This updated Tumbler is brought into four different sizes: 14 oz, 20 oz, 30 oz, and 40 oz. The costs of these different sizes are $20, $30, $35, and $45 respectively. View this post on Instagram Instagram PostThe Brand New Leakproof Tumbler by StanleyThe updated version of the much-loved Quencher H2.0 FlowState, this Tumbler retains its signature side handle and original silhouette, but adds a leakproof lid featuring a flip straw. It promises to end the leaky straw problem, as noted by several users.Additonally, this Tumbler features a simple flip-up straw for sipping and a snap-shut mechanism for sealing to prevent spillage.Stanley is a beloved brand for reliable drinkware. Its innovative vacuum insulation technology is much appreciated in the market. The company has become a favorite among adventurers, commuters, and at-home users alike.The Quencher ProTour Flip Straw Tumbler | 40 OZ (Image via Stanley)Below is how the brand has described their newly launched product:"Introducing the iconic Quencher, now with the leakproof ProTour Flip Straw lid. The 40-ounce Quencher ProTour Flip Straw Tumbler makes hydration simple — flip up the built-in straw to sip, then snap it shut when you’re done."The statement adds:"Classic colors feature fresh graphics with a soft texture on the handle and two-tone lid. Your water stays ice cold for hours, thanks to double-wall vacuum insulation. It’s ready to grab by the comfort-grip handle and fits in your car’s cupholder."The original Quencher Tumbler gained notable popularity. However, customer feedback consistently highlighted a flaw: the leaky straw. Responding to the issue, the brand designed the ProTour Flip Straw Tumbler to address this problem without compromising its other beloved features.Listed below are the features of the Tumbler that Stanley highlighted on their brand's website:18/8 recycled stainless steelDouble-wall vacuum insulationLeakproof ProTour Flip Straw lidRemovable spoutReplaceable sealTextured comfort-grip handleFits most car cupholdersDishwasher safeBPA-freeIt weighs 2.05 lbs, and its dimensions are 5.82 x 3.93 x 10.78 in. View this post on Instagram Instagram PostThe standout feature of the ProTour is the new flip straw lid. Unlike previous designs, the straw now comes with a rubber seal and a secure snapping mechanism. This ensures no liquid spillage, even if the tumbler is tipped over or dropped. The seal is also replaceable for reusability.This updated version also sports a new Fade finish. It is a dotted texture on the body, handle, and lid, intended for improved grip. Additionally, the Tumbler is part of the Messi x Stanley 1913 collection, which features the GOAT Pink shade.Read More: eBay x Chocolate Skateboards x Nike SB Dunk Low "Sun" sneakers celebrates 30th anniversary with limited-edition 30 pairs