Speed Jump Rope - Best For Boxing - MMA Training - Fitness - Adjustable "It's great for your crossfit double unders. Most definitely would recommend this!" says Leah. UNIQUE 90 DEGREE HANDLE TURN AND WIRE CABLE ROPE - Ensures Fast Spinning and No Kinking, Tangling or Bending like the usual PVC and Leather Ropes 9ft CABLE - EASILY ADJUSTED - This is a WIRE rope and WIRE CUTTERS may be needed to cut the rope. Adjust once so you're ready to go for each and every workout EASILY PORTABLE - Lightweight, Compact and Carry Case Included