• When you purchase two of our top-rated Dry Water Adventure Rocky Duffel Bags, you'll receive a Dry Water Adventure 20-liter Cooler Bag on us! Imagine the convenience and efficiency of packing all your essentials in these rugged, weather-resistant duffle bags, perfect for any journey. And with the added bonus of a cooler bag, you can keep your snacks and beverages chilled and refreshing, no matter where your adventures take you.