Oxford Lockable (not provided!). The easiest lock to use is an armoured cable lock (such as an Oxford Revolver), but you could equally use a chain lock or a regular cable lock. The lock (not provided!).

Brand: Oxford
Manufacturer Part Number: OX624
Type: Helmet Bag
EAN: 7658794730950
Material: Polyester
Features: Collapsible, Water Resistant
Country/Region of Manufacture: United Kingdom