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Ships within 48 hours · Estimated delivery Sep 17 - Sep 22
vacuum-sealed insulation for optimal temperature retention
Upgrade your boba game with the Stainless Steel Bumbler and sip sustainably in style
Keeps drinks hot for 6 hours and cold for 10 hours
adding a touch of style to your sipping routine
ensuring longevity
Dark Knight Bumbler ( Black ) metal tumbler vacuum-sealed insulation for optimal temperatureIndulge in your favorite boba tea flavors with flair, all while championing sustainability with our iconic Bumbler. Elevate your boba tea experience and reduce your environmental footprint simultaneously! Step into any boba store and make a statement by opting for the Bumbler over single use cups. With its sleek design, the Bumbler complements any tea flavor and color, adding a touch of style to your sipping routine. But that's not all our versatile
