2 Packs of 8.5x10 Ft Photography Backdrop Stand Kits include detachable crossbars and foldable tripods for easy storage Featuring a sturdy aluminum alloy construction, it provides durability and stability Snap on the sectional crossbars and twist the knob on tripod to set the height Each stand is equipped with 4 adjustable crossbars and 2 tripods for fitting different backdrops Comes with 8 spring clamps and 4 side clips for fixing the backdrop, along with sand bags to stabilize your stand