Specifications:- Overall Dimension of Each Backdrop Stand(LxWxH): (300 x 46 x 210 cm)- Crossbar Dia.: (23 mm, 25 mm)- Crossbar Length Adjustable: (150 to 300 cm)- Stand Dia.: (22, 19, 16 mm)- Light Stand Height Adjustable: (70 to 210 cm)- Stand Folded Size(LxDia.): (69 x 7 cm)- Single Stand Weight Capacity: 11 Lbs - Crossbar Weight Capacity: 6.6 Lbs - Spring Clamp Size: (10.6 x 8.6 x 2.2 cm)- Each Sandbag Size(LxW): (50 x 22.5 cm)- Each Sandbag Weight Capacity: 11 Lbs - Carry Bag Size: (95 x 43 cm)- Each Net Weight: 6.17 Lbs . Package Contents:- 8x Light Stands- 16x Crossbars- 8x Sand Bags- 24x Clamps- 4x Carry Bags- 4x Manuals