I want to have good drinking water at the campgrounds I visit locally and absolutely refuse to purchase bottled water.  Campground water is typically potable, but I often don't like the taste and simply prefer water as a beverage over other options that take up room in my cooler.  Since many road crews use these I knew it had to be a solid, sturdy product that would maintain cold water and remain durable if handled with care.  It's more expensive than one you can buy at a large chain store, but those can't even begin to compare to this product in those same categories.  You get what you pay for - this is a prime example.