What You Will Receive: 100pcs Waxed Necklace Cord with Clasp. Size: about 18 inches(46cm) long; 2mm thick, extender chain: about 2 Inches. You can adjust the length to fit your needs Material: The necklace cord is made of waxed cotton cord and Zinc Alloy clasp, smooth surface and lightweight, comfortable for long time wearing. Easy To Work With: Ready-made necklace so that you can simply add pendants and dangle beads you love to make your unique necklace. With solid lobster claw clasp and extension chains, able to change the length of the necklace Wide Application: With Simple design, this necklace making cord is easy to match with different pendants, such as gemstone, glass wish bottles, stamping tags, Essential Oil Diffuser Pendant, photo pendants, crystal pendant and more, stylish and attractive. ASIN B09K72PB7Z Color Black Brand Name BB Beadthoven Unit Count 100 Count Line Weight Light Manufacturer Beadthoven Model Number NCOR-T001-01-BT-US Material Type Cotton Product Style Waxed Manufacturer Part Number NCOR-T001-01-BT-US