Hermetic bag volume 15 liters Hermetic bag protects your belongings from water, dust and dirt. Wrap the top for a few turns and lock it on either side of the Quick Lock. Such a simple solution in combination with hermetic welding of seams allows the use of a hermetic bag in torrential rain, wet snow and mud. Additionally included removable strap of reinforced slings for carrying on the shoulder. Materials used: Bag: Color combination of PVC fabric on a textile basis.