It keeps my water freezing coldi had it in my truck for a few houra on a 100 degree long island day and the ice didnt melti do have to use the smaller cubes due to the smaller opening but thats fineive heard some people say it will not stand in the neoprene cozy but i hd no problemsi bought another stainless bottle and it cant hold a candle to this onenot only is it gorgeous and works even better than i expected but i love the 2 brushes you get and the cozywhen i can im buying more got it for wife she really likes it

I got the light blue smaller bottlei cant say enough about this