This is brilliant! Check out this 6 Can Tube Cooler - Insulated and Reusable - 1 for $6 or 2 for $10 - SHIPS FREE!
If you're looking for an easy way to carry around a six pack, then look no further. This 6 Can Tube Cooler by Blue Avocado will hold and keep cold (for up to 4 hours) 6 of your favorite can beverages. The cooler measures 30" long with a 3" opening and includes a small front zipper pocket and shoulder strap.
My hands are always full, so this is perfect!