Tecnifibre-Multi-Feel Tennis Strings Natural-() Tecnifibre Multi-Feel gives players the best combination of comfortable playability with monofilament like durability. Utilizing a single monofilament core, tension maintenance is increased while an anti abrasion coating known as the SPL technology (Silicium Pyrogene Lubritec) provides added durability... Size - (See Description) | Color - (See Description) Authorized Tecnifibre Dealer. All racquets are strung and ready for the courts! SEE SELLER DETAILS FOR RETURN POLICY.