Our jump rope is high quality and top design.You are welcome to your own design.Speed Jump Rope,Jump Rope,Skipping rope Features:speed jump rope Speed Jump Rope,Jump Rope,Skipping rope1)Material:ABS &PVC;2)Size :kinds of size are ok to do to meet different age;3)There are kinds of functions like speed counting;4)Various color are available. Speed Jump Rope,Jump Rope,Skipping rope