These beautiful Waist beads come in Tie On & are 45"- 50". Bead size are a mixture of sizes 8mm and 6 mm glass beads with some Crystals depending on which option you go with. Please note, these are permanent "Tie Ons", Once you tie them on, they can't come off UNLESS you cut them off. There are no connectors or screws just Cotton threads. For Any further questions please send me a message. They are self adjustable by taking excess beads off the string.