1.Specifications and package includes:12pcs/24pcs/36pcs
2.Background clips length: 20 cm/ 8 inches(Stretchable to 16 inches); Consist of stretchy cords, locking release tabs, hook-and-loop part and metal clip
3.Feature: high quality elastic rope, hook&loop, easy to install, move up and down to adjust position
4.Usage method:Just strap them onto the side of backdrop stand, clip them on side of the backdrop, and push the button or pull the string to make the backdrop tight
5.Reduce backdrop creases, make backdrop smoother, suit for all types of stand and background supports