Specifications:- Overall Dimension of Each Backdrop Stand(LxWxH):(300 x 46 x 260 cm)- Material: Aluminum Alloy- Carry Bag Size:(85 x 45.2 x 2 cm)- Crossbar Dia.:(23 mm, 25 mm)- Crossbar Length Adjustable:(150 to 300 cm)- Maximum Crossbar Length:(300 cm) (4 Sections Combination)- Minimum Crossbar Length:(150 cm) (2 Sections Combination)- Light Stand Height Adjustable(80 to 260 cm)- Stand Dia.:(16, 19, 22, 25 mm)- Stand Folded Size:(70 x 7.5 x 7.5 cm)- Weight Capacity: 11.02 Lbs- Each Net Weight: 7 Lbs. Package Contents:- 12x Light Stands- 24x Crossbars- 6x Carry Bags- 12x Sand Bags- 24x Spring Clamps- 12x Side Clips- 6x Manuals