Center Hole Ribbed Boat Pontoon Fender 10" x 28" 4pcs Inflatable Vinyl Mooring Bumpers Guard Dock Docking - Black Boats up to 40-50 ft: 10" x 28" Center Hole Color: Black Quantity: Set of 4 Inflatable Boat Fenders Brand: North East Harbor | Vertical ribs for extra protection Super-soft fenders are non-abrasive