Luxilon-Element Tennis String Bronze-() Luxilon Element Tennis String is one of the softest strings they make. Element takes the success from its predecessors (M2 Pro and M2 Plus) and puts a new spin on it with this new and improved Multi-Mono string... Polymer String | Soft Polyester String Material | Arm Friendly Size - (See Description) | Color - (See Description) Authorized Luxilon Dealer. All racquets are strung and ready for the courts! SEE SELLER DETAILS FOR RETURN POLICY.