Proper sizethe speed drills resistance parachute is 56" in diameter; it can offer approximately 11-33lbs of resistance depending on the speed, which allows you to improve stride length and frequency, meet the different strengths required by teenagers or adults Adjustable belt: this running parachute designed with a hook and loop closure belt, you can adjust the length to fit your waist size within a 20-42 inch range, comfortable and easy to put on Effective training tool: through the use of this resistance training chute, you can improve the acceleration ability, improve muscle endurance, and improve the ability to adjust the direction during high-speed running Easy to use and carry: this practical running parachute kit includes parachute and belt, easily folds down to fit in an included portable carrying bag Preferred gift: this training parachute is an outdoor fitness product, which makes users feel full of fun during the exercise under the premise of ensuring safety Running speed training, 56 inch speed chute resistance running parachute speed training for kids youth and adults, blue Function: When you take this drag umbrella to run, due to the drag of the air, backward drag will be generated. The faster you run, the greater the drag. Effectively increase the resistance load of athletes, which is conducive to the play of speed, and the resistance increases with the increase of running speed. Athletes can obtain a relatively maximum resistance load at various speeds. Features: 1. In order to ensure the durability of the product, please do not drag the product to walk on the ground) 2. The umbrella body is light and has an outer bag for easy portability. 3. High-level athletes can wear more than 2 drag umbrellas for special training at the same time. 4. Depending on the speed, it can provide 5-15 kg resistance. 5. Adjustable waist belt is suitable for users of most sizes. 6.The resistance surface is 1.5 x 1.5 meters. Popular in sport training: The drag umbrella can be directly applied in the actual training of athletes without damaging the technical structure. This is especially important in training. The training of this project has been integrated into the physical fitness of athletes in various sports, especially such as sprinting, various ball games and other items that need to be run. Specifications: Diameter: 56 inches Packing size: 20 x 10 x 9 cm Color: blue Package includes: 1 x 56 Inch running speed training parachute 1 x Storage bag