ROBUST & SAFE- Treadmill (Running Belt) Walking Belt Compatible with Proform 425 CT,Model PFTL496122,PFTL496121,PFTL496120 adopts a two-layer commercial quality design, robust and sturdy. The use of anti-static conductive wires for running belts improves the conductivity of the belts, protects the safety of users, and extends the lifespan of the belts. MATERIAL QUALITY- High quality PVC material, with a wear rate 20% lower than traditional materials. The texture is softer than other manufacturers' running belts, which can achieve better operation and reduce the failure rate of Treadmill due to excessive load.