“On a positive note, it keeps the water very cold. I understand it is supposed to be heavy, like a weight, but it is bulky. The base is too big for a car and a golf cart cup holder. The siping part of the straw is too hard and narrow and could be made with a rubber cover to make it a little more comfortable.”
“A bit over priced I think but it definitely does what is says it will. Living in southern Utah it gets HOT. I can leave this in my car and it stays cold for quite a while.”