Elite Jumps Freestyle PVC Jump Rope Bundle - Premium Quality Adult Jump Ropes for Fitness - Lightweight Cardio Skipping Jump Rope for Exercise and Training - Unbreakable Grip Tape Handles

The 3.2mm PVC-coated wire cord is best for tricks and not only offers consistent rotation but also avoids stretching or breaking at high speeds. The 4mm cord is the recommended standard thickness for jumping rope for workout. Great for developing a rhythm. Inner string core so it won't stretch and lost it's shape. The 5mm cord is thicker and designed to create more resistance leading to quicker cardio spikes. Inner string core so it won't stretch and lost it's shape. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.