Training tube used to reduce leg flow and quickly change leg functions By attaching bands to the thigh and performing various training, it is effective for quickly switching legs with less loss and strengthening the muscles required for sprint. Not only is it recommended for track and fields, but also for all sports competitions that require the ability to run such as soccer, baseball, basketball, etc. There are 2 levels of loads, so you can use it according to your purpose and strength. Combine with ladder or mini hurdles for extra effectiveness in your training. It is compact and does not take up much space, and can be carried with the included dedicated bag, so it is also recommended for home training or training at the park. Just put it on during your regular run, and you can expect a workout effect. Composition: 2 x bands, 2 x tubes (red and green) Material: SBR band, made of natural rubber. Tube size: (band) (W) 2.4 x (L) 29.1 inches (60 x 735 mm), (tube) approx. 11.8 inches (30 cm), Weight: approx. 11.8 oz (325 g). How to wear: 1. Attach the band to the thighs of both legs. The position and height of the band are aligned with both legs and the hook is outward. 2. Secure the hooks on the outside of the bands of both legs with the included tube. 3. Stops with tube not only the front but also the rear part. 4. Tube shrinks action to quickly attract legs.