Tip-Proof Iced Tumbler

By Mighty Mug


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A tumbler that won’t spill (even if you try). This tip-proof, no-spill tumbler creates an airtight seal against flat surfaces and only lifts in one direction: up. So you can’t accidentally knock it over, but you can naturally take a sip by lifting it up straight. The tumbler keeps the ice crisp and your hands dry, making it perfect for a sunny summer day.

  • Materials: BPA-free Tritan plastic
  • Care: Dishwasher safe
  • Includes removable straw
  • Unique Smartgrip technology prevents tipping or spilling
  • Double-walled construction keeps beverages chilled while preventing condensation
  • Smartgrip pressure normalizes when lifted naturally
  • Grips to any smooth and solid surface like a table, desk, counter, or bar
  • Durable construction
  • Capacity: 20 fl. oz.
  • Made in China
  • Dimensions: 8.1" x 3.5" diameter
  • Weight: 0.75 lb.

7 Reviews (3.7 out of 5 Grommets)

Sorted by Rating

These stay put and stay up.

7/25/2018 by JoAnn

Nice product


Has Prevented Several Spills

4/11/2018 by Melissa

I got this for my husband, who likes to keep water on his nightstand, but was constantly knocking cups over in the middle of the night. He and I love this tumbler, which works exactly as advertised. I actually watched my husband accidentally kick it with his foot (while chasing a baby who was trying to crawl off the bed to avoid his medicine), and it weeble-wobbled, but didn't fall down! I also have heard him clonk it in the middle of the night and come morning, no spill! I might buy a few more! My only gripe is that the snap shut top is very hard to close/open because the rubber stopper doesn't seem to quite align with the opening, but we leave it open with the straw in it most of the time anyway, so that really doesn't matter that much.More > < Less


Best tumbler ever

8/22/2017 by Jennifer

I purchased the turquoise tumbler and absolutely love it. It's made of quality plastic, has a durable straw, and easy to close lid. The best feature is the design of the bottom of the tumbler which prevents it from being knocked over. With a small child around, this is a great invention.More > < Less



8/11/2017 by Carol

Perfect for person that has Parkinson's Disease that has a problem with always knocking their drink over.


It really stays upright

7/10/2017 by Sarah

I constantly knock over my cup so this is really a great product!

Items 1 to 5 of 7 total

It’s the stubbornest cup—it just won’t spill.

About Mighty Mug

No-Spill Mug

Try tipping this cup over. It won’t budge.

Mighty Mug is a no-spill mug that uses Smartgrip technology to create an airtight seal against flat surfaces, so it can’t be knocked over. It only lifts in one direction: up.

Whether you’re reaching for a drink in the living room, at the office, or outside, you don’t have to worry about kids playing, tails wagging, or people (including you) accidentally bumping into it.

The team of designers behind this liquid life saver adapted its tip-proof mechanism to different drinking vessels.

Coffee drinkers will probably opt for the stainless steel travel mug. This double-walled and vacuum-sealed mug keeps a drink hot for 6 hours or cold for 12. If you’re chilling on the porch on a sunny day, the tumbler is a good choice. It keeps the ice crisp and your hands dry. Finally, the tough, shatter-proof pint glasses come in pairs so you can share the tip-proof experience with a friend.

Whether you use one to protect your keyboard from a spill or just dare a guest to try to tip it, Mighty Mug is as practical as it is impressive.