Designed with an internally covered sprung wire-core to keep the bag in an upright position and ridged, prevents its collapse when loading with rope. This bag can easily accommodate 45m of 13mm rope. Can also be utilised as a throw-line storage bag. On the outside there are two zip pockets and a ridged zipped top. The base is made from rubberised material where as the main bag is made from 450-denier laminated material.