TENERGY is the revolutionary reversed rubber. TENERGY combines the innovative "Spring Sponge" with "High Tension" technology. TENERGY 25 receives top marks; in various tests with Butterfly sponsored world class players, Tenergy 25 proved to be the most suitable for playing close to the table. TENERGY 25 has pimples of a larger diameter than other rubbers; this creates dynamic attacking play, enabling heavy rotation to be imparted on the ball. TENERGY 25 is the perfect solution for players with strong and accurate, attacking strokes. New, unused and undamaged item in original unopened packaging. Shipping: 7 - 10 business day.