LimoStudio Photo Video Studio 10Ft Adjustable Muslin Background Backdrop Support System Stand Contents: 1 x Backdrop Support Stand / 3 x Spring Clamp / 4 x String Clip / 1 Heavy Duty Carry Bag Backdrop Support Stand: Height Adjustable, 3.5 to 8.5 ft. / Width Adjustable, 4.5 to 10 ft. Spring Clamp for Tightening Backdrop to Cross Bar: 3.75-inch Long / 20-inch Opening Jaw / Angle Adjustable Teeth Durable Construction Photography / Video Studio Background Set