TOP YAO Cordless Skipping Rope Crossfit Digital Training Tool for Workouts Jump Snap Wireless Jumping Rope Calorie and Jump Counter Weight Loss and Muscle Gain Equipment Easy to use, portable for travelling. Material: Hard ABS, PVC, anti-slip soft silicone, EVA foam and counterweight iron. Designed with a timer, calorie counter help you to make sporting plan. Assist you to burn fat, lost weight, beauty body and keep healthy. New cool colors and sleeker design