emart 8.5 x 10 ft photo backdrop stand , adjustable photography muslin background support system stand for photo video studio emart emart photo studio background support kit for muslin, green screen, canvas, or paper backdrops, aluminum alloy construction for stablizing the backdrop.<br><br> the system is an excellent option for professional and amateur photographers to set up a photo studio, portable backdrop stand for easy storage and installation.<br><br> multiple uses, for party, home studio, wedding or special events.<br><br> super easy to assemble and take down, come with the portable carrying bag.<br><br> aluminum alloy construction, durability & portability.<br><br><br> (2 x ) backdrop support sand<br> 100% aluminum construction<br> max height: 8.5 ft<br> min height: 3 ft<br> folded height: 30.9 inch<br><br> (2 x ) crossbar<br> min length: 5 ft<br> max length: 10 ft<br> each crossbar extends to 5 ft<br> interlock 2 crossbars into a long crossbar<br><br> (2 x ) heavy duty spring clamp<br> hold the muslin, canvas, paper, and etc<br><br> (4 x ) backdrop holder<br> to remove wrinkles and unevenness shown on the muslin<br><br> (2 x ) sandbag<br> size: 9" x 10"<br> each sandbag rated for 20 lbs.<br> premium quality nylon material with sturdy zipper.<br> put sandbags on the base to ensure its stability when use in outdoor with the wind.<br><br> (1x ) portable carry bag<br> premium quality nylon material