Description:Material: NylonQuantity: 10 rolls/ setColor: Random send in 10 different colorsThickness: Approx 1mm / 0.04 inchSingle roll length: Approx 5m / 5.5 ydMade of high quality nylon elastic cord， durable and with strong stretchySuitable thickness， can support to pass through most kinds of beads and holesGreat tools for sewing， craft work， DIY jewelry making， etcPackage Includes:10 x Roll of elastic strings