For larger areas to cover on your boat, SeaDek's superior non-skid EVA foam materials with a simple peel-and-stick backing are available. They can easily be cut to fit nearly any area, such as cockpits, transoms, swim platforms, bows, under gunnels or any other place where non-skid or protection for your boat's surface is required. They also cover up spider cracks, dents, chip or other surface imperfections helping to make your boat look brand new.5 sheets per box - each sheet is 18 inch x 38 inch x 3mm or 5mm thick.