A bag which seals in a watertight manner. Dry bags are often used in kayaking, canoeing, rafting, and other outdoor activities where sensitive items would otherwise get wet as well as extreme sports such as skiing and snowboarding. Construction of waterproofed fabric which is formed to create an impermeable, water-ingress protected bag.
The Drybag is a large-sized Backpack found in military and residential/civilian locations. It is waterproof, keeping your items dry from the rain or other water sources.