PVC Material Yacht Fenders Type F series required for small boats, tug boats, small ferries, naval speed boats and vessels, passenger vessels, luxury yachts, fishing boats, etc. And they now become the optimum choices of many ship owners. The products are provided with unique vinyl valve system with many high strength colors available. Technical Advantages: . Available in various sizes and able to meet requirements of any boats . Unique vinyl valve system . With durable and high strength exterior . Multiple enhanced top suspension system . Both-end suspension design could allow horizontal and vertical use. . Applicable to permanent unprotected berthing, steel piles and cemented wharf etc