The waterproof inner bag for the Hepco & Becker C-Bow Bag STREET provides effective protection for the contents of your bag from moisture. This inner bag fits perfectly with the C-Bow Bags Street and is typically included in the bags' package. The inner bag is simply attached to the bag using hook-and-loop fasteners, ensuring easy and secure installation. It protects your personal items from dampness and rain, ensuring they remain dry and safe.