Product Name: S3M Timing Belt Belt Width: 5-30mm Material: Neoprene Rubber with fiberglass core Greater Load Carrying Capacity which has good toughness and elasticity, soft and durable enough, can last for a long time use Product Name: S3M Timing BeltMaterial: RubberShape: Closed-loopWidth: 5-30mmColor: BlackPackage: 1pc*S3M Timing Belt