I have bought 2 sets of these Tumblers because my kids and Husband kept taking mine. I can make Ice Water in the afternoon and the next morning there is still ice and cold water in the Tumbler it's the best Tumbler I have purchased, and the bottom is small enough to sit in the cup holder in my car which is a huge plus.

Must have! It is 50oz, which is the perfect amount of water intake a day for a 50 kg (110 lbs) person. It won't keep ice for long, but it will keep your water cold (especially if you added ice) from morning to late evening. I left it in the car, in 120°F for hours and it was still very cold! Fits into car cup holder and very convenient handle to carry.

Love this mug, couple of things to keep in mind, it is pretty heavy and it barely fits in my car's cup holders. But it keeps the ice all day long, and while not completely spill proof it does a good job of keeping a big mess from happening if it gets tipped over. I love that it is metal inside, super easy to clean. Overall my favorite mug.

I love the teal cup the second color in the picture looked like a white but is actually a grey. This is the only reason I gave it 4 stars otherwise the cup is great keep’s it cold all day long. I fill it up in the morning and still cold by the end of the day

Finally-everything I wanted in a water bottle. Because of arthritis, I can't use a screwtop, needed a straw and handle, and cupholder fit is a must. This bottle meets all criteria and is huge to boot. Water and ice last all day, all night, and it's very sturdy. Great colors, too.

I love these so much I ended up buying 4, I gave one to my daughter and she loved it and bought another 2. I put ice in it and fill it with water in the morning and I don’t put more ice in it until the next morning and it still has ice in it from the morning before. They keep things ice cold, I might get 2 more.

Really the best for keeping things cold. I don't like drinking with straws, this one can be used with a straw, drinking or sipping slowly, or drinking as if drinking out of a glass, which would be faster. Fit into the cup holder in the car, and the handle is very convenient.

Don’t keep drinks cold

Haven't broke down and bought the other brand everyone raves about. I thought $30 for 2 was a good deal so I got these instead. I should have read the reviews first. I really wanted to like them, but ice melts within a couple of hours and does not keep any liquid cold. I have even tried keeping the cup in the freezer before using and it didn't help. Already threw the box away so I'm stuck with them.

I brought a coldest cup for Christmas, and I usually use these kinds of cups. 10+ years. Coldest is not easy to clean, so I came back. I brought these, AND I'm so disappointed. I fix my cups fresh at night, and the ice is melted when I wake up and I don't sleep that long! 4 to 6 hours max. These cups remind me of regular cups! A refund would be nice because they won't get used. I am used to 2 days of ice unless im drinking a whole lot.