Hydro Flask20 OZ All Around Tumbler Birch, Stainless Steel

This is an excellent value; it maintains cold as well as more expensive brands, top slides off and on efficiently, and is easy to clean in my dishwasher.

I use these A LOT for my coffee. I love them and I love that they're dishwasher safe. So easy to clean. Keeps my coffee warm for a few hours.

Love this cup:) texture in cup makes for good grip and keeps my coffee hot for hours. Easy to clean:)

loved it

Amazing! Keeps drinks warm for hours!!!

This was an expensive coffee mug, but it does keep it warm for hours. The lid has a sliding closure but it is not leak proof so be careful. It would have been nice if this came with a rubber boot. I had to spend another $8 to buy one that almost fits perfectly (a tad big and can be easily pulled off. Overall, a nice, but pricey tumbler.

I love these cups. They're among the best out there. However, I ordered the 20 oz. Got it out of the box and it looked like a 16 oz., but does say 20 oz. on the label. Compared it to one of my other 20 oz tumblers. Poured water in from a measuring cup to make sure. 20 oz takes to to the brim where you wouldn't be able to put the lid on. The 20 oz is 18 oz at most. Come on guys, shrinkflation is getting out of hand.Edit: I kept the first one I bought, but I went back and bought the 28oz. That's the exact same size as my older 20oz insulated tumblers. So if you're going for a 16oz, buy the 20oz. If you're going for 20oz, buy the 28oz.Still a great cup. Just be aware of how much you're getting these days.

I've had for 1 year and this has become my go-to travel mug. Liquids stay hot or cold for hours. It's not leak proof, instead they provide a small hole to improve flow when drinking and allow some steam to escape. The sliding open/close groove is easy to use with 1 finger or thumb. Dishwasher safe and has not rusted or inside. I also like the ability to purchase additional covers without replacing the mug, such as the straw cover for cold drinks.