describe:1. [Strength Improvement] Running speed training parachute with unlimited potential, 56 inches (142CM) in diameter, produces 25-50 pounds (11.4-22.7KG) of resistance during sprinting, and performs speed and strength training at the same time2.Upgraded Adjustable WaistbandUpgraded improved buckle strap, parachute, suitable for 20-42 inches (50-107CM) waist size for speed training, suitable for high-intensity stretching, allowing you to get rid of tear belts. The metal D-ring can rotate 360 degrees and can sprint in any direction3.Increase running speedUsing the acceleration slot, you can perform strength training and speed training at the same time. It can improve the user's acceleration ability, muscle endurance, and enhance the ability to adjust direction during high-speed running.4.Multi-functionMany people use resistance speed training parachute for sports speed training. It can be widely used in track and field training, football baseball basketball training fitness, cycling, skating and other projects, helping to increase explosive power, speed and core strength.5.Easy to CarryThis running parachute can be easily and quickly folded into the included carrying bag. Its lightweight design makes carrying it into the wild a breeze.Specification:Material: pongee, coated cloth, braided tapeStyle: A: single parachute drag parachute, B: double parachute drag parachuteColour: BlackPackage includes:1 x parachute