Ideal String for Jewelry Making: This stretchy strings are made of polyurethane spandex, and it's sturdy enough for threading heavier beads. It's a great string cord for jewelry making, like beaded bracelets, friendship bracelets, Kandi bracelets and necklaces, DIY projects and other jewelry making purpose. Value Pack of Flat Elastic Beading Cord: Each pack includes two rolls of elastic beading string, one black and one white, each roll has approx. 82 meters/90 yards in length, 164meters/180 yards in total. Easy to Store and Use: Each roll of stretchy bracelet string comes with a organizing case, you will never worry it will get mess when using it; The thread was rolled in natural status, which will well protect the string in good condition of stretchy. Fits All Kinds of Beads: The size of this elastic jewelry making cord is 0.8x0.6mm, it's the perfect size for all kinds of beads, like glass beads, crystal beads, clay beads, preppy beads, pony beads, glass seed beads, Kandi beads, Alphabet Letter beads, Stone beads, wooden beads, spacer beads, loose beads,silicone beads, pearls and so on. High Quality of Stretchy Bracelet String: Made from spandex, with admirable and visible quality, strong, durable, flexible, long-last strecthy,will not fray when cut, and wear-resistant; the string always retracts to its original form, which is ideal in a stretchy bracelet.