Eskaay standard size Leather Double end Speed ball with Heavy duty Stretchable Bungee Cord. Un-stretched Length of Bungee cord is 0.9m. Bungee cord adjustable up to approx. 40-120cm which are attached to the floor and ceiling and allows the ball to move around in all directions developing excellent hand to eye co-ordination and makes adjusting double end bag quick convenient and easy. These balls can be used with bare hands, bag gloves or with hand wraps. This has made it the choice of professionals and that is the reason we are supplying these to world class health clubs, gyms, Boxing clubs and Online buyers.