Description:Essential Item for Jewelry MakingJewelry making beading cord, Elastic and Stretch Features, Not Easy to Be CrackedPerfect for making bracelets and necklaces, and for can be used with many kinds of beadsBeautiful Design to Make Your DIY Accessories More Delicate and FashionMaterial: PVC RubberSpecification:Type: Rope StrapSize Chart:Line:1mm/0.04inchLine Thickness:25m/984.25inch/RollBobbin Diameter:37mm/1.46inchSpool Height:44mm/1.73inchBack Plate Diameter:52mm/2.05inchBackboard Thickness:2mm/0.08inchHole:11mm/0.43inchPackage Includes:2 Pieces Rubber Elastic LineNote:1. Please allow slightly error due to manual measurement.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.3. Wish you a wonderful on-line shopping!