Zak Designs 16 oz Fluted Stainless Steel Double Wall Vacuum Insulated Tumbler with Button Lid - Chestnut & Multicolor - Keeps Drinks Hot/Cold for Hours - Perfect for Coffee, Tea, Hiking, Office & Travel

This is a very good tumbler for the price. Very easy to operate and drink from . for the past couple of days I've been drinking 3-4 times a day with it, and so far no spills - the lid is completely shut. The major downside is that the lid is made from a couple of different parts, which is a bit tedious to clean. Also, the longevity of the small rubber parts is another thing that I'll have to watch for.Bought these for our new travel trailer. These are probably the most well made, heavy duty insulated coffee cups that we have ever owned....and we've owned quite a few as we are heading into our golden years, lol. We love them so much we are buying more for our home. These kept our coffee hot for hours and hours. We are hard-core coffee drinkers and we own quite a few different brands of insulated coffee travel cups, but these kept our coffee hot for hours longer than our other cups do, especially when it's cold outside. They stay comfortable to the touch on the outside (some of our other insulated cups get nuclear hot on the outside). We absolutely LOVE these cups and plan to order several more. Heck I may even give a few out as Christmas gifts!I really wanted to like this. But I was bamboozled. It doesn't keep things hot. It doesn't keep things cold. It's so complicated to clean that it comes with an instruction sheet. And, there is a slight learning curve to drinking out of it. I'm a fairly intelligent person, but life is complicated enough without having to learn a new skill in order to drink a cup of coffee. On the plus side, it doesn't leak.These are a perfect size. It holds 2 cups of coffee to go. Just enough for me! Keeps me from having too much caffeine in the AMI use this for car travel and in the office. I have a much nicer one from the same maker, but couldn't find it online. This is a good cup, not really insulating, but easy to clean and holds a fair amount of liquid. I would recommend it, but I really would like one with more cooling power.I like this for hot and cold liquids. Does not leak. It actually took a little bit to figure out how to drink out of it (push the handle in). However, does not keep things as hot for as long as other tumblers I have had.The top needs to be disassembled and run through the dishwasher for cleaning. Which is great if you are using it at home but I use it in the office and the internal components are too small and tight to clean with just water and a brush.I just received this today, The packaging is really nice and the tumbler itself is amazing. I buy a lot of stuff from Amazon - many of them gadgets. This is one of the few items I have bought that has proven much better than I expected. The top plastic cover is not any cheap plastic; it is extremely durable and has a tight lock that stays put. I definitely like it and would recommend if you want a good tumbler.Only used this for hot tea and its been great, using it everyday and it keeps drinks hot for ages; no leaks or issue with it only thing I would say is you should keep the top part clean so it keeps a good seal, they have instructions for it.Satisfaite de ma gourde garde longtemps au chaud