Is the YETI Rambler 20 oz Tumbler lid leakproof?

Watch This Product

Watch products with ShopSavvy for price drops, stock alerts, deals and more.

Ask Agent About This Product

The YETI Rambler 20 oz Tumbler is pretty reliable for keeping your drinks hot or cold for longer, thanks to its double-wall vacuum insulation. That's how the manufacturer describes it, and it seems to hold up based on what we've found.

A lot of folks have mentioned their coffee stays warm for hours, often around four hours or so. This kind of performance is a big reason why people like using it throughout their day. Even professional reviews have backed up its ability to hold temperatures well.

Now, about the lid—it's not completely leakproof. Our research shows there can be some small leaks, especially if the tumbler isn't upright.

So, while it's awesome for temperature retention, just be careful if you're planning to toss it in a bag.

Overall, if you want something to keep your drink at just the right temperature, the YETI Rambler is a solid choice. Just a heads-up: it might spill a bit if it's tipped over.