This is very practial pull box with stickers fixed Elastic stretching rope desigs,Cord can up to 3.2 foot and easily retracts, Stainless steel spring, sturdy and easy to use. They can be fixed securely on all types of what's on display Using for rings, pendant, earrings, watch and so on. The cases is made from PP and steel wires materials, it features black color designs,caters to anyone about craft jewelry projects and personalize creation. Use your creativity with the case Set, in for jewelry makers looking to craft bracelets, necklaces, and other beaded masterpieces. Wire Jewelry Locks Box Safe Box Portable Safe Wire