Semi-rigid preformed EVA tank bag with a capacity of 3 liters. The main compartment is closed with waterproof zippers that are easy to operate even with gloves. 1 mesh and 1 closed compartment on the inside for storing your belongings. In the top is a waterproof box reserved of transparent crystal touch sensitive material which allows you to operate your phone or tablet. The attachment of this E04 tank bag can easily be created with the help of the supplied universal tank bag attachment. Reflective striping to increase visibility. Cable output to feed the cable from the USB charger (optional).