Osprey Drysack 12L w/ window - BlueDescription Keep gear dry and organized with this 12 liter windowed dry sack, offering lightweight waterproof protection and a see through window so you know exactly what's packed where. Available in five volumes and three colors to help maximize your organization. Key Attributes BUILD YOUR OWN PACKING SYSTEM Part of a coordinated system for optimized packing. Customize your experience by adding on smart packing and organization accessories that meet