7 Inner Cores Polyester & Spandex Cord Ropes, for Rope Bracelets Making, Dark TurquoiseSize: about 4mm in diameter, about 109.36 yards(100m)/bundle; 420~500g/bundle.Materials: Polyester & Spandex ropes; Strong durable. Usage: Suitable for making bracelets and other handicrafts or decorations.