Volleyball and Soccer Self-practice equipment, ball holder (with elastic strap), and waist belt. Simply wrap the belt around your waist and set the ball in the ball holder! Elastic length adjustable from approximately 80 cm to 1.5 m. Can also be used for volleyball serves and spikes, and soccer juggling and free kick practice. Ball holder secured with Velcro. Compatible with sizes 3, 4, and 5 balls.