The Impact 12' Background Support System will support seamless paper up to 11' in width, as well as accommodate the 12' width of any brand of muslin background. Total weight distributed across the length of the crossbar should not exceed 20 lb. The system consists of 2 heavy-duty professional support stands with 3 positive locking knobs and tubular legs, a sturdy 4 piece crossbar that snaps together with positive button locking devices, and a heavy-duty canvas carry bag. It is suggested to secure the stands with gaffer tape, or weight bags when using any background setup where there are several people, or active children on the set. Strong support for paper, or cloth backgrounds. Crossbar may be used by combining some, or all the sections. What's Included: 2 x 10.5' Stands 4 x Crossbar Sections Canvas Case 1 Year Manufacturer's Warranty