XTOURING Dry Bag was made for versatile usages - perfect fits your fork mounted luggage cages, fits XTOURING Handlebar Harness or for your outdoor equipment. The ventilating valve lets you compress your soft gear for a more compact fit quickly and easily. Comes with roll top closure to keep your belongings dry. Also the ventilating valve lets you squeeze the bag's size down easily. The bag can be carried on your shoulder by the included shoulder strap when you finished your ride.