QUANTITY: necklace cord bulk includes 20pcs black waxed necklace cords, enough for your jewelry making project Material:Waxed cotton material makes it lightweight, flexible and durable to use, and the imitation leather looking is cool to match your pendants it also includes a lobster claw clasp and 2inch extension chain. You can adjust the length to fit your need Excellent Quality:All the black cords are well made and hard to break, they are stable for long time use. Ready-made necklace so that you can simply add pendants, charms, beads or other jewelry findings to make your unique necklace Size: 1.mm in diameter and 50.8cm in length, with an extra 5cm extension chain Material: Polyester fiber + alloy Color: Black Package Included: 1 x set Beading Cords & Threads Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Excellent Quality:All the black cords are well made and hard to break, they are stable for long time use. Ready-made necklace so that you can simply add pendants, charms, beads or other jewelry findings to make your unique necklace it also includes a lobster claw clasp and 2inch extension chain. You can adjust the length to fit your need Material:Waxed cotton material makes it , flexible and to use, and the imitation leather looking is cool to match your pendants QUANTITY: necklace cord bulk includes 20pcs black waxed necklace cords, enough for your jewelry making project