The Dock Edge+ 8″ × 20″ Center Hole Ribbed Boat Fender is a durable, marine-grade vinyl fender designed for dependable protection when docking. It features a center-hole design that lets you run a line through the middle for flexible mounting, while its ribbed construction helps prevent rolling and adds strength. The fender includes UV inhibitors and resists mildew, oil, gas, seawater, and bacteria, ensuring long-lasting performance in harsh marine environments. It is inflatable via an adjustable valve so you can set the firmness to your conditions, and it comes in multiple colors with a “life of the boat” warranty.