This Stanley Tumbler Prime Day deal will save you 40% on five colors of the 40-ounce Flowstate. Snag it while it's at its lowest price ever.

Prime Day 2025 was a treasure trove for Stanley lovers. We saw the brand's viral 40-ounce tumbler on sale for its lowest price ever, or 44% off. And even though Prime Day deals are winding down, you ...

If you have been waiting to grab yourself a Stanley while it’s on sale during Amazon Prime Day, you may have waited a little ...