Adjustable Backdrop Stand: The heavy duty background stand can be easily adjusted with knobs in the range of 3.28ft (39.37inch) - 9.2ft (110inch) in height, and the width can be adjusted within 5ft (61inch) - 10ft (122inch) as needed. Users can adjust to the appropriate width as required to adapt to different sizes of background backdrop. Widely Application: This backdrop stand heavy duty can holds canvas, projector screen, muslin, or paper, balloon, curtain, etc. This backdrop kit is suitable for birthday backdrops, baby photography, professional studio photography, product display backdrops, pet photos, projector backdrops, video shoots or home/wedding/party decorations. HEAVY DUTY BASE: The base is made of high quality metal, durable. When used outdoors together with a water bag can make the photography background stand more stable and ensure that the background stand is not easy to shake during use.