This is a x1 Backdrop support system stand ideal for canvas, muslin or paper backdrops in photography studio video shooting. And its tube diameter:1.4inches thick.(Backdrop Not Included) The width of cross bar is adjustable from 2.95 feet/0.9 meter to 11.81 feet/3.6 meters , and the height of backdrop stands is adjustable from 3.33 feet/1 meter to 10 feet/3 meters The background support system consists of two tripod stands made of solid alluminium alloy and four cross bar sections Easy to set up and store, the stands are light weight to carry It also comes with a portable carrying bag, whichThis is a Backdrop support system stand ideal for canvas, muslin or paper backdrops in photography studio video shooting. And its tube diameter:1.4inches thick.(Backdrop Not Included) The width of cross bar is adjustable from 2.95 feet/0.9 meter to 11.81 feet/3.6 meters , and the height of backdrop stands is adjustable from 3.33 feet/1 meter to 10 feet/3 meters The background support system consists of two tripod stands made of solid alluminium alloy and four cross bar sections Easy to set up and store, the stands are light weight to carry It also comes with a portable carrying bag, which helps you better carry and transport helps you better carry and transport