SLOW DOLPHIN Photo Studio Background Stand Support Kit Backdrop Stand, 40ft (Wide) x 8.5ft (Tall) Square Large Adjustable Backdrop Stand with Rotatable Connector, Carry Bag, Sand Bags Clamps.

Package Includes: 4 x Heavy Duty Telescopic Crossbars: 8pcs-Interlocking Bars (40 FT) / 4 x Heavy Duty Light Stands (8.5 FT), / 4 x 300° Angle Adjustable Crossbar Connector / 4 x wing nut / 12 x heavy duty spring clamps/ 4 x Sand Bags/1 x Carry Bag （4）x Sturdy Tripod Backdrop Stand adjustable height(Min3 ft to Max 8.6 ft), made of 100% Aluminum material, Perfect lightweight aluminum alloy construction tripods. the aluminum alloy backdrop stand is durable, and the design of the tripod base ensures it won’t shake when fully extended to its maximum size. （8）x Heavy Duty Telescopic Crossbar, Aluminum alloy construction. Each Crossbar Width is adjustable from 5 ft to 10 ft, 2 Crossbars can be Connected by a crossbar connector extended as many as needed. the combined maximum width reach 40 ft. （4）x 300° Angle Adjustable Crossbar Connector precisely designed for maximum rotation of 300 degree. Background screens adjusted at various angles for your needs,（4）x Sand Bags Made from nylon material Can Extra stability sand bags ensure a strong hold for those extra heavy backdrops. （12）x 4.5" Photography Muslin Backdrop Clamps. Maximum opening 2.1" fit onto most backdrop stand, background, photo studio. （1）x Portable Carry Bag: premium quality nylon material with sturdy zipper everything disassembles back into the bag, easy to store or travel with.