1、The elastic cord guides the ball back after every swing, efficient and time saving. 2、Adjustable elastic cord, the natural length of cord is 1.7m, the maximum stretch distance can reach 5m. 3、The magic stick strap is adjustable to fit different waist sizes up to 80cm (31.5in) 4、Made of high quality nylon and diving fabric, durable, strong and elastic. 5、The neoprene pouch with adjustable strap fits all sizes volleyballs. With the aid it becomes very easy to practice arm swing technique and toes multiple times in a row, very suitable for single person training. Features: The elastic cord guides the ball back after every swing, efficient and time saving. Adjustable elastic cord, the natural length of cord is 1.7m, the maximum stretch distance can reach 5 meters. The magic stick strap is adjustable to fit different waist sizes up to 80cm (31.5in) Made of high quality nylon and diving fabric, , strong and elastic. The neoprene pouch with adjustable strap fits all sizes volleyballs. Specifications: Material: Diving fabric, nylon Color: Black Rope Length: 170cm / 5.6ft Package Size: 22 * 17cm / 8.7 * 6.7in Package Weight: 60g / 2.1oz Package List: 1 * Volleyball Training Belt 1 * Volleyball Training Belt