Sports Jump Rope [Mini Strick]. Certified by the I.N.F. International Jump Rope Federation (J.N.F. Japan Jump Rope Federation) Grip: Plastic, 16cm Rope: PVC 4mmΦ, 2.4m For toddlers and lower elementary school students Length adjustable, with name sticker The development of equipment is essential for the popularization and development of sports. The most functionally superior jump rope, [Mini Strick] MINI STRICK, was developed for toddlers and lower elementary school students after years of research. It makes it easier to do double unders and criss-cross jumps. Please use it at school and at home. Jump rope exercise is also very helpful for your health. Let's enjoy life with jump rope exercise. New, unused Features 1 ＜Long Grip＞ A long grip allows for a larger wrist snap to be transmitted to the rope, resulting in faster rotation. A long grip allows for distance from the body, allowing you to try various techniques. Features 2 The grip should be relatively light (approx. 20g) Features 3 The grip is made of plastic for weight reduction and ease of grip. It has a ring-shaped uneven processing that is easy to grip, so it grips firmly in your hand. Features 4 ＜Elastic Rope＞ A thinner rope allows for faster rotation. It shouldn't be too light. Based on various data, it is approximately 40g. Vinyl is used to obtain flexible rotation. Vinyl without a hollow core is used. Features 5 Friction between the rope and the grip is minimized with eyelet hardware. The length of the rope can be adjusted to your height with the eyelet hardware.