【New】Muay Thai Extra Thick Tube Jump Rope (Muay Thai Rope) Kickboxing Bigman Sport Skipping Rope ・Professional Skipping Rope ・Length: Approximately 270cm ・Weight: Approximately 450g Instant purchase without comment is OK. The grips are made of wood. I use it during practice, and it's perfect for building stamina. Because the rope weighs about 450g, jumping with it also trains your shoulders, and I recommend it.