This Stormproof bag holds up to 50 liters of gear inside the durable, waterproof and dustproof design. Features a large roll-up non-zip opening, making packing and unpacking your contents a breeze. Includes a body curve padded shoulder strap and seams that have been heat sealed and taped to ensure storm proofing. Mount onto a roof rack or place into the back of a truck, without the worry of your gear getting wet.