Improve your speed and strength in running by incorporating this Sprint Parachute Resistance Trainer into your workout! It is easy to use and portable! To use this equipment, you simply have to tie it around your waist so it is secure. It also had an adjustable waistband so it can fit all sizes. Then, as you run, the parachute will form and drag you bag the faster you run. This will then create a resistance that will help you get stronger and faster at running.