Water bottles come and go, but Stanleys are here to stay. As one of the original emotional support water bottles, these tumblers have generated such a passionate fan base, they've sent people sprinting through their favorite stores just to snag a new style. In particular, the Stanley Quencher H2.0 FlowState Tumbler ($27, originally $45) has maintained its cool-girl status thanks to its chic colorways and slim base (perfect for cupholders). The best part? It's officially 40 percent off for July's Amazon Prime Day.
Price can be one of the biggest barriers to the Stanley fandom. At $45 each, the water bottles are a bit of an investment (although the massive collections on TikTok might convince you otherwise). If you've always wanted a Stanley tumbler but could never commit to the full price tag, now's your chance to shop and save a whole $18. And for long-time Stanley devotees, this is the best time to add to your existing stock (there are 37 different shades to choose from on Amazon).
Ahead, see what editors and reviewers think about the Stanley tumbler, and be sure to grab yours while it's still heavily discounted. Looking for even more sales? Shop more of Popsugar's editor-curated Amazon Prime Day Sale picks and subscribe to our newsletter for more shopping recommendations. Plus, make sure you sign up for Amazon Prime so that you don't miss a moment of the sale.
What Is the Stanley Tumbler?
The Stanley Quencher H2.0 FlowState Tumbler stands out for a few reasons. For one, it can hold up to 40 ounces of liquid, helping you stay hydrated throughout the day. It also has impressive insulation capabilities, keeping liquid cold for up to 11 hours (although our editor swears it could go even longer). Lastly, unlike other larger water bottles, it has a narrow base, so the tumbler fits in most cup holders - an important consideration for anyone on the go.
Why Our Editors Love the Stanley Tumbler
Our editors can't get enough of the Stanley tumbler, and we outline why in our Stanley Quencher H2.0 FlowState Tumbler review. A few snippets: "Despite the tumbler's massive size, it's still portable and practical thanks to its large handle. It even has a narrow base that can fit into your cup holder. (I'm not positive it fits into every cup holder in existence, but it fits in my Mini Cooper's just fine.) One thing you might not realize about this tumbler is that the straw isn't the only way to drink it. You can also twist the top in case you'd rather sip your beverage straight out of the tumbler (which I've done in very thirsty moments). I also love how you can spin the lid and cover the straw opening to prevent spills when you're on the go. Oh, and I can't forget to mention that it keeps drinks cold legitimately all day." - Marisa Petrarca, contributing editor, Shopping
Why Reviewers Love the Stanley Tumbler
"Not only does it have a super sleek and vibrant design, but the performance is amazing. The 40 oz size is perfect for holding a generous amount of water, and it keeps ice for two full days. I've tested it in hot weather, and the ice stayed intact while the water stayed nice and cold. The FlowState lid is also a game changer – it's leak-proof and the handle makes it easy to carry around. If you're looking for a stylish, functional, and durable hydration solution, this is definitely the one." - Tessa27Noel
"The color is absolutely beautiful and even better in person. What really impressed me is how well it keeps drinks cold - easily for 24 hours, even longer sometimes! I use it every day and it still looks brand new." - Brittany Johnson
"I can confidently say this tumbler has become my go-to for everyday hydration. The Stanley Quencher H2.0 is not just about aesthetics - it delivers on functionality in every way. The insulation is incredible - whether I fill it with ice water in the morning or a refreshing iced tea, it stays cold for hours without fail. Even after long days, I've still found ice sitting at the bottom, which is something you don't get from just any tumbler. The double-wall vacuum insulation truly does its job! Another standout feature is the design (scratch resistance) and capacity. With its size, I don't have to refill constantly, which keeps me on track with hydration. The shape is ergonomic, making it easy to hold. Plus, it fits perfectly in my car's cup holder, a small but essential detail for daily use." - Jiovanni
Related: I’m a Deals Writer and These Are the Top Amazon Prime Day 2025 Home and Furniture Buys Chandler Plante (she/her) is an assistant health and fitness editor for PS. She has over four years of professional journalism experience, previously working as an editorial assistant for People magazine and contributing to Ladygunn, Millie, and Bustle Digital Group. Read More Details
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