This highly stretchable cord is perfect for jewelry making and beaded craft projects. This easy-to-use cord is strong and will not crack over time.Details:ClearEach set includes 4 sizes (0.5mm, 0.7mm, 0.8mm and 1mm)5 m (82.02 ft.) total set length6 sets (4 spools per set)Latex free100% polyurethane