Backdrop Stand Kit : KIT INCLUDES: [4] x Interlocking Cross Bars, [2] x Adjustable Backdrop Support Stand, [4] x Heavy Duty Spring Clamp, [2] x Sandbag, [1] x Carrying Bag.12 months warranty for quality issues. | Photography Background Stand Support System Kit : The tripod support stand is stabilize and no worry even though outdoor using.Also this photo backdrop stand is ideal for professional photography,photo studio,wedding,party,family gathering,video shooting etc. | 2 x Backdrop Stand:The Tripod backdrop stand is adjustable to meet different shooting needs.Made of Iron,Stable and Sturdy.Adjustable Height : 2.7 ft - 6.5 ft. | 4 x Crossbars : 1.4 inch diameter tube + telescoping top crossbar is easy to connect.you can combine 2 or 4 sections to fit your needs.Adjustable width :5 ft - 10 ft. | 4 x Spring Clamp & 2 x Sandbag:The Spring clamp is made of strong and rugged type of plastic, strong spring and the rough surface enable itself to clamp anything onto the stand tightly.The backdrop background stand and the clamps can holds green screen ,canvas, cotton etc.Sandbag for Photo Backdrop Stand is made of Nylon to make the background stand more sturdy even though shooting outdoors.Note:The Sandbag is empty.