Product review (5 stars): I love it and so do my dogs!
I bought this for a rather unorthodox use! I have several large dogs who spend most of every day out side, even in hot weather.  I was having trouble keeping water cool enough in their bucket.  Sometimes it got really very warm , so regular ice cubes melt rapidly.  I tried freezing water in small plastic bottles, which worked ok, except that they thought they were toys and took them out of the bucket to chew on.

These over sized cubes work great.  They don't melt as fast.  The dogs occasionally lift one out, but I guess they don't like the feel or something, as they are leaving them alone mostly now that they know what they are. For my purpose they are great.

Probably be fun in regular use. I'll try that when the weather cools off!