Perfect Single Player Training - This new evolutionary football coach is perfect for single player training with an adjustable waistband - the waistband can be adjusted to fit the waist circumference (33 "-39"). An excellent football training aid for children and adults, with adjustable elastic straps that can extend up to 18 feet. Very suitable for changing the length of the bundle and adapting to different environments, such as the backyard. Flexible and suitable for balls of different sizes, suitable for balls of sizes 3, 4, and 5. It can help cultivate skills such as ball control, passing, touching, and reaction, and obtain comprehensive training - shooting, passing, receiving, juggling, ball control, throwing out of bounds, all of which require a separate kicking coach*A hands-free trainer suitable for most athletes, with a 6 "dynamic rope extending onto an 18" neoprene waistband and equipped with a nylon buckle strap and clip.*Suitable for football numbers 3, 4, and 5.Packaging included:1 * Football training aids (excluding balls)