I started using my flip and go stainless mug as soon as I got it home. I actually use it for just water whether I am around the house or out doing errands or work. It keeps water cold for a very long time and is very sturdy. It also has a handle for carrying it, that flips up when using it I’m down out of the way we’re not using it. It holds a good 20 ounces and I am loving using this . I have told family and friends about it already. And I do recommend it and my husband is going to find one also for himself.