Description: Accelerated Training with Significant Results: This speed training kit utilizes resistance training combined with high strength material resistance bands to enhance leg strength and stride. It significantly improves running speed in a short time, makes more muscle fibers to participate in exercise, and achieves stronger leg drive.Improved Agility for Faster Steps: After releasing resistance, body coordination is improved, enabling more powerful ground contact. This is key to improving starting speed and quick accelerations, making your first step more powerful.Easy to Use: Easy to wear and put off comfortably.Material: Made of nylon that ensures longevity and withstands strong workout sessions.Train Easily: Wrap and fasten the athlete belt around the waist and attach the quick response quick release strap and youre ready to train. Specification: Material: Nylon Color: Multicolor Size Chart: Waist Belt 50cmx11cm/19.69inchx4.33inchPull Rope 205cmx14cm/80.71inchx5.51inchJump Rope 270cmx2cm/106.30inchx0.79inch Package Includes: 1X Speed Training Kit (1 Athlete Belt, 1 Quick Response Quick Release Strap, 1 Jump Rope, and 1 Carrying Bag) Note: Please allow slightly errors due to manual measurement and different monitors.