With 7 litres volume and with a big map pouch. Height: 10 cm. The tank bag can easily be removed because of the 4 suckers which ensure that the tank bag will stay in place. It is also equipped with a handle and a removable belt. The bag is waterproof, but if you ride for hours in a rainstorm, a water protection would be useful. Sizes (L x W x H): ca. 30 x 24 x 10 cm.