High Resilience Nylon Monofilament Yarn Nylon Tennis Racket String

The performance of single-core multi-layer fiber tennis wire is similar to that of single-core single-layer fiber tennis wire, but its durability and ball eating performance are better.

Polyester string polyester is another durable ball string material, which is wrapped with a layer of polyethylene material outside many nylon strings to make them integrated. Nowadays, more and more professional players have used the strings made of this material. However, the polyethylene material itself loses its elasticity faster than other artificial strings, so it is often used by leisure players mixed with Kevela strings.