<b>How to use the item?</b> <br>Please tie the belt around your waist, and run as fast as you can. The faster you run, the bigger resistance you get. <br><br><b>Features</b> <br>1.Resistance training, increase explosive power, speed and core strength <br>2.Provide resistance canopy can be adjusted, so that we can provide different needs depending on the individual. (To ensure durability, the products do not drag on the ground to walk) <br>3.Lightweight umbrella body, has the outer bag configuration, easy to carry. <br><br><b>Product Specifications</b> <br>Color: Black <br>Material: Oxford cloth <br>25-50 lbs of resistance <br>Diameter: Approx. 56 inch <br>Adjustable Waist: Approx. 20-42 inch <br><br><b>Packing Content</b> <br>1 * 56 inch 2 Umbrella 1 wait belt resistance parachute <br>1* carrying bag