Bungee cord size: You will get 6 rolls of bungee cord, each roll is about 8m long and 0.8mm in diameter. The bungee cord's small seam is specially designed to help you find the thread quickly and prevent tangles, and you can easily thread it through the bead's hole with it. In addition, we will give you a thread trimmer for your daily use. Product material: The bracelet rope is made of high-quality elastic nylon fiber, and the quality is reliable. The bracelet cord is very flexible and has excellent elasticity. It is not easy to break after stretching and can quickly return to its original state. Waterproof so you can wear it while swimming, exercising, showering. Transparent Elastic Cord: The elastic cord adopts an invisible transparent design, which is perfectly matched with the beads and can maximize the display of the true color of the beads. You can easily thread the beads with it to make your own personalized bracelet. You can enjoy fun DIY moments with your family, kids. Versatile use: Bungee cords are very practical and can be used to make all kinds of jewelry, bracelets, necklaces, hanging Christmas decorations, key rings, other DIY crafts. It's also a thoughtful gift for craft lovers, practical and full of surprises. After-sales service: If you find any quality problems with our products after receiving the goods, please contact us in time, we will serve you wholeheartedly.