British Mortar Ammo Carrier Tube 81MMCylindrical design with tubular cavity. Handles everything from munitions, documents, or beverages. 100% watertight seal with a shoulder sling and carry handle. Excellent for architects and artists or field engineers for document protection. Dimensions are: 3. 25 " inside diameter on each tube by 21" long, 10' wide overall. Made of heavy duty high impact resistant plastic. This item is considered a heavy item please purchase the item and then the