MonkeyfingeR Vines Strings are spun from a secret blend of 100% polyester thread to achieve the perfect combination of tension, weight, and longevity. These strings are designed to be ready to play right out of the packaging, no lengthy break in period or string stretching needed to get these strings feeling just right!
Available in packs of 10or 50 packs with your choice of Normal, Phat, and Extra Long. They move smooth over the hand and have an excellent weight for clean slacks and fast whips!
https://shop.yoyoexpert.com/products/monkeyfinger-vines-string