You won’t believe how many drinks you can keep cold with the Chill Systems The Chiller’s Pack Drink-Cooling Backpack. This compact backpack can actually hold up to three bottles of wine or six cans of beer. That should keep you satisfied for a while, at least. Plus, when you keep your drinks in the Chiller section, they’ll stay cold for a full 24 hours. That’s seriously impressive, and you’ll be the envy of all your friends with this drink cooler backpack. This is a great festival backpack because even when you’re out and about in the heat all day, your drinks will stay chilled. The great part is that this backpack won’t make you look or feel like you’re wearing a cooler. With a water bladder and attached straw, you’ll definitely stay hydrated throughout those long days of dancing.