Zebra Trophy is built with the new, proprietary Trophy Process which leverages over 20 years of experience building and testing strings for the world&&';;s top bow manufacturers and champion professional archers. The Trophy Process is a proprietary pre-conditioning process that guarantees no serving separation and the shortest "shoot-in" time of any premium bowstring. Every Trophy bowstring and cable that leaves the Zebra shop has been pre-stretched, measured and tested to achieve the highest level of consistency in the industry. Shooters can rest assured that the string they order will fit their bow&&';;s unique specs and improve their performance. Made in the U.S.A.