GoFit Speed Jump Rope by 9' LENGTH: The 9 foot solid PVC rope combined with the precision ball bearings movement provides maximum rotation FOAM GRIPS: The padded foam grips help fight hand and arm fatigue so you can reach your target heart rate quicker and maintain your pace CARDIO TRAINING: Jumping rope is one of the most efficient methods of cardio training. Jumping rope for 10 minutes at a moderate pace is the equivalent to running one mile in 12 minutes, cycling 2 miles in six minutes, swimming a quarter mile in 12 minutes, two sets of tennis or playing an 18-hole golf course REACH YOUR TARGET HEART RATE QUICKER: Reach your target heart rate quicker and maintain your pace more comfortably with the GoFit Speed Rope