The Falcon Eyes B-8510 Background System is quick and simple to assemble, making it ideal for use on location or in your studio. This system can be used in conjunction with both, paper and cloth backdrops. The stands are equipped with standard couplings so that they can be used for lamps and studio flash units. The crossbar consists of 4 sections, which can be attached to each other with allen bolts, allowing you to determine the width of the background. The stands are provided with a spigot with 3/8” male screw thread. This system can be used in combination with the included background paper. We advise you to purchase the CL- CLIP 3 as well (see optional accessories). This guarantees that the paper doesn't unreel accidentally. With some additional upgrades (see optional accessories) you can extend the system so you can hang multiple rolls on to the system. The Falcon Eyes Paper Back Drop Rolls are made of high quality materials and various colors and sizes. Not only are paper background rolls an economical replacement for cloth backgrounds, but they also form a flat and solid background, making it easier for the photographer to shoot their desired objects. Further, all Falcon Eyes background rolls come on a sturdy cylinder, which can easily be placed on a backdrop support. With this set comes a background roll in the color Storm Grey.