Fenner Powertwist BeltTwist Link Vee Drive Belts usually consist of polyurethane and polyester fabric, while custom materials available upon request. Special requirements include supergrip top (PVC/PU), round belt replacement, high temperature (PTFE), cushion top, double v belt and roller drive. Please visit https://www.zzr-parts.com/twist-link-v-belt/ for more detail#Fe