![D'Addario Helicore Viola Strings Set](http://www.stlstrings.com/cdn/shop/products/viola84909__63928_e07da969-d065-4a87-b7c9-9e8da21013c0_{width}x.jpg?v=1635173295)
Zyex is a new generation of synthetic material, tremendous for professional players. It was created to be stable for drastic climatic conditions and settles in very fast, within a matter of hours. Zyex has a warmer sound than other synthetic strings.