Ok. Let's see what the Stanley hype is about . One is 40oz & the other, stanley 30 ounce tumbler

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Adventure Quencher H2.0 Travel Tumbler, 40 oz

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40 oz and 30 oz stanley｜TikTok Search

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Is the Stanley 40 Oz Tumbler Worth It? - Shutter + Mint

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Get the Stanley Tumbler while it's back in stock

I tried the Stanley cup and Yeti Rambler. How do they compare? - CBS News