Using a unique patented production process, Polyfibre strings are
able to achieve an unsurpassed combination of playability, durability
and tension stability.The strings are designed in laboratories in both Germany and
the USA, and live up to the impeccable quality demanded from both the
American and German tennis circuits. They have been tested over time by
players such as former World Top10 Magnus Larsson, and are now used by
many ATP players and upcoming junior talents.