Features:- Professional Support Stand System - 10 Sets of 7x10ft Backdrop Stand Kit includes 10 whole stand systems with 60 clamps, 20 sandbags & 10 carrying bags, which is a professional lightweight support stand system for live stream, video shooting, as well as for wedding, party, baby shower, events, gender reveal- Set Up in Minutes - Press the crossbar spring and click on the other end to insert it, twist the knob on tripod stand to lock, which can be installed without tools and within minutes- Width & Height Adjustment - With 40pcs 29 1/2" section crossbars, width can be adjusted from 59" to 118", you can combine 2 or 4 sections to fit you well; With 20 tripods, height can be adjusted from 27 9/16" to 82 11/16" to meet your different needs.- Durable & Stable Design - Aluminum Alloy Construction with 11 Lbs weight capacity for strong support & durability; Comes with spring clamps for holding muslin, canvas, paper backdrops firmly on the background stand, while sandbags to stabilize the stand (Sand is Not Included)- Portable - Detachable crossbars & foldable tripods with 6 Lbs lightweight design, which can be easily packed in our carrying bag for convenient transportationSpecifications:- Overall Dimension(LxWxH) 118 1/8" x 18 1/8" x 82 11/16" (300 x 46 x 210 cm)- Crossbar Dia. 7/8", 1" (23 mm, 25 mm)- Adjustable Length 59 1/16" to 118 1/8" (150 to 300 cm)- Stand Dia. 7/8", 3/4", 5/8" (22, 19, 16 mm)- Adjustable Height 27 9/16" to 82 11/16" (70 to 210 cm)- Single Stand Weight Capacity 11 Lbs (5 kg)- Crossbar Weight Capacity 6.6 Lbs (3 kg)- Sandbag Size(LxW) 19 11/16" x 8 7/8" (50 x 22.5 cm)- Each Sandbag Weight Capacity 11 Lbs (5 kg)- Carry Bag Size 37 3/8" x 16 15/16" (95 x 43 cm)- Net Weight 61.7 Lbs (28 kg)Package Contents:- 20x Light Stands- 40x Crossbars- 20x Sand Bags- 60x Clamps- 10x Carry Bags- 10x Manuals