If you don’t care if you have a big belly or not, and would like an innovative way of carrying around your beer (or other beverage) - this one is for you. It’s the Beerbelly!
The beerbelly bladder is made out of polyurethane, and it holds up to 80oz. You can also purchase an optional freeze pack that holds your drink cold for hours. The combined Beerbelly and freeze pack is yours for just over $60.The Beerbelly [firebox.com]