Our backdrop stand consists of 4pcs 2.5ft-length crossbars which the length can be adjusted from 5ft to 10ft after assembly and 2pcs support stands which the length can be adjusted from 2.5ft to 6.5ft after assembly. Adopting heavy-duty aluminum alloy and iron materials, our backdrop stand is sturdy, durable and can withstand approx. 6.6lbs-weight backdrop. Coming with 4pcs clamps to grip canvas, muslin or paper backdrops tightly. At each joint of the crossbars comes with spring points, and what you need to do is pressing the spring points and inserting into another crossbar. No tool is needed. Owning a thickened Oxford fabric carry bag with 3 separate compartments to store the 2pcs support stands and 4pcs crossbars in order. Specifications: Material: Aluminum Alloy + Iron; Max Suitable For: 2 x 3m/6.56ft x 9.84ft Backdrop; Max Load Capacity: 3kg/6.6lbs; Item Size: As the Picture Show; Item Weight: 1777g/3.92lbs; Packaging Size: 83x13x12cm/32.68×5.12×4.72in; Packaging Weight: 2.2kg/4.85lbs. Color: Pink. Package contents: 4 x Crossbars, 2 x Support Stands, 4 x Steel Clamps, 1 x Carrying Bag. WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. See www.P65Warnings.ca.gov.