The ICEMULE Classic Medium Cooler has a 15-liter capacity and is the most flexible size of The Classic. Whether you're planning a full day at the beach or an afternoon hiking the trails, the Classic will keep all your food and drink cold for at least 24 hours. The unique design allows your ICEMULE Cooler to float while staying completely waterproof. The ICEMULE Classic Medium Cooler can easily accommodate everything you need and anywhere you go.