Luxilon WRZ997110:SET 4G 125MM/16L Tennis String Some of the most buzzed about string on the market, Luxilon 4G is noticeably different from its polyester predecessors in that it has a cushioned feel on impact. Theres no poly jolt, and your body will feel happier after hours of play than with most other similar strings... Size - (See Description) | Color - (Yellow) Authorized Luxilon Dealer. All racquets are strung and ready for the courts! SEE SELLER DETAILS FOR RETURN POLICY.