A comfortable backpack system for carrying the BX-2 Blue Box Tool Case. Padded shoulder, waist and chest straps. Handy accessory pouches. Fully adjustable.Specially designed to carry the Blue Box on your back. The BXB-2 is a well-built, secure and comfortable backpack system complete with padded shoulder straps, handy accessory pouches, plus waist and chest straps. The BXB-2 is fully adjustable and set up is quick and easy.NOTE: The BXB-2 will fit both the BX-2 and BX-1 Blue Box Tool Cases. The harness also fits all versions of the EK-1 & EK-2 Professional Travel and Event Kit. BX-2 Box not included.