Product Name: background standThis backdrop support system is a perfect choice for both professionals and amateurs. Fast installation and disassembly with one person as well no need any tool. Whatever indoor or outdoor activities, it will meet all your photograhing needs. An Ideal tool for party, portrait, live streaming,etc.Specifications:Name: 3.3m Height Backdrop Support Tripod StandsMaterial: stainless steel + zinc alloyElongation height: 330cm/129.9inch Shortening height: 150cm/59.1inch Stretch width: 300cm/118.1inchReduce the width: 120cm/47.2inchProduct load: 15kgProduct weight: 22kgStable BaseTriangle structure provides better stability, less risk to fell down by wind or slight shock. Round feet secure floor not be scratched.Easy to SetupPush-Click design helps you shorten the time on assembling.4 x Heavy Duty Spring ClampHolds seamless paper, canvas, muslin and other backdrops you need.2 x Sandbag & 1 x Portable Carrying BagHelp in the windy, unbalanced area photographic equipment stability. Sandbags are EMPTY. Can be filled with gravel, sand, rocks, or any other material to add weight.Packing List：1x Adjustable Cross bar2 x Adjustable Backdrop Support Stand4 x Spring Clamp1 x Portable Carry Bag2 x Nylon Sandbag