Features: 1. This section of the string has a double ribbed tennis string, so that the string can bite the ball without slipping, the thin diameter and can be perfectly eaten into the tennis ball, can enhance the rotation, is an excellent tennis string with a spinning ball; 2. Co-Polyester Monofibre material makes the hand feel softer, it is a comprehensive network cable with both comfort and feel. 3. The string is good, no need to play the ball, to move the ball; 4. Due to its high stretch resistance, the withdrawal weight is very small; 5. The ribbed design increases the contact time between the ball and the racket face, so it reduces the vibration of the racket face; 6. Strong resistance, more than 5 times of any other ball.