Product Description Professional Photo Heavy Duty Background Support System For all levels of photographers. Supporting stands extend up to 10 Ft height. 12FT Width 35lbs load capacity. will be the perfect addition to your studio. (2) x Titanium Gold-Spring Cushion Support Stand Diameter 1.4'' diameter tube 100% Aluminum construction Max Height: 10ft Min Height: 3.7ft Folded Height: 3.7ft The stand come with safe lock knobs and spring cushioned for safety use ?4?x Titanium Gold-Cross Bar Aluminum alloy construction Max length: 12ft (4 crossbars) Min length: 3.1ft (1 crossbars) Interlock 2 crossbars into a long crossbar Holds Canvas, Muslin or Paper Backdrop Max load capacity: 35lbs ?4?x 4.5" Photography Muslin Backdrop Clamps Maximum opening 2.1" fit onto most backdrop stand, background,photo studio ?1?x Portable Carry Bag Premium quality nylon material with sturdy zipper everything disassembles back into the bag, easy to store or travel with Package Includes: (2) xTitanium Gold-Spring Cushion Support Stand (4)x Gold-Titanium Cross Bar (4)x 4.5" Photography Muslin Backdrop Clamps (1)x Portable Carry Bag Installation instructions and safety instructions are included with the package