Foam filled fender is a part of unsinkable, tough heavy-duty fendering system for harbor, offshore and ship-to-ship application DEYUAN MARINE foam fenders are specially designed to withstand the high energy impact accurring during berthing of all vessels and ship to ship transfers in open sea.Foam filled fenders are constructed with closed-cell.energy absorbing resilient foam laminated layers, nylon filament reinforcement layer, tough polyurethane ski.