Perfect Training Resistance Umbrella:resistance parachute with resistance, you can conduct strength training and speed training at the same time. Maximize acceleration and top running speed by resistance and speed training, through this movement, the ability of users acceleration and muscle endurance can be improved.^ Adjustable Fixture: elongated belt, with a sufficiently long magic tape, suitable for users of all body types, belts rotating 360 degrees and free movement rings, which means you can sprint in any direction.^ Durable High-Quality: the lid of the resistance parachute is made of high-quality materials, it is soft, waterproof, sunscreen block and quick-drying, the built-in grid panel keeps tangle, 56 inches in diameter, this slider is easy Store in the included portable training package. It provides approximately 15-30 pounds resistance.^ Suitable for Multiple Occasions: training for football, football, basketball or any other movement, your speed will be used to train the slide by using this resistance training.^