The COBRA SERIES Double End Ball is a great training tool for improving hand-eye coordination. It is commonly found in boxing gyms and helps boxers enhance their speed, accuracy, and reaction time by practicing on a moving target. The ball measures approximately 35 cm x 16 cm and is made of durable cowhide leather, suitable for commercial gym use. The package also includes an adjustable elasticated nylon strap that is double-stitched for maximum strength and quick movement. The ball is designed to be safe to use without gloves, with no zippers or rivets.