E! Illustration/AmazonAmazon Prime Day 2026 deals are quickly flying off the shelves, but somehow a $20 Stanely cup is still in stock. Hurry! We have a feeling this Prime Day miracle won't last, so you'll want to get your hands on this 30-ounce Quencher asap and crush your summer hydration goals.
- Get a 30-ounce Stanley cup for $20: See here
- 40-ounce Stanley ProTour Flip Straw Tumbler deal: See here
- Classic Stanley cup on sale: See here
While we wish we could say the whole Stanley Amazon storefront is on sale, only a selection of hydration essentials are. But, they come in both 30-ounce and 40-ounce options, plus they're available in a variety of fun, bright colors and eye-catching patterns that make staying hydrated feel a little more exciting.
We have a feeling these deals won't stay in stock, so you'd better grab your favorite color fast.
Even if you're less into the shade "violet blossom," you can score Stanley tumblers in gunmetal, citron, creamsicle, and so many more. Plus, these deals apply to classic Quencher H2.0 Tumblers and Quencher ProTour Flip Straw Tumblers.
This $20 Stanley Cup Prime Day Deal Is Still in Stock
STANLEY Quencher ProTour Flip Straw Tumbler with Leakproof Lid
This is the best deal you'll find all Prime Day on the STANLEY Quencher ProTour Flip Straw Tumbler with Leakproof Lid in the 30-ounce option.
More Stanley Cups On Prime Day Sale
STANLEY Quencher H2.0 Tumbler with Handle and Straw
This 40-ounce tumbler features a fluted gunmetal design. Perfect for the cool guy (or girl!) that looks to stay hydrated.
STANLEY Quencher ProTour Flip Straw Tumbler with Leakproof Lid
The citron color of this 40-ounce Stanley tumbler just screams summer! Get it on sale now.
STANLEY Quencher ProTour Flip Straw Tumbler
The ProTour Flip Straw tumbler lid lets you sip without worry. Just flip up the built-in straw for a quick drink, then snap it shut to prevent spills. This leakproof tumbler is ready for all your adventures.
STANLEY Quencher H2.0 Tumbler with Handle and Straw 30 oz
Constructed of 90% recycled BPA free stainless steel for sustainable sipping, the Stanley Quencher H2.0 has the durability to stand up to a lifetime of use.