Polyform has been producing the F Series fender for over 50 years and there is no comparison when it comes to quality, range of sizes and protection offered. The F Series fender has offered protection to the world's finest yachts and fishing vessels. Why? Because the owners and captains of these prestigious boats know that they can rely on Polyform's F Series fenders to offer the size, strength and dependability to protect their vessels from the rigors of the sea and weather. If you want the ultimate in protection for your boat, Polyform F Series fenders are the only choice!