The Mercury Marine® Tow & Stow™ Pro XS® Outboard Motor Cover is made of heavy-duty material that protects your outboard engine from exposure to the elements. It also defends against other damage when your boat is on the move or in storage. The Polysoft® II fabric is soft lined to protect your finish from scratches and is waterproof , breathable, and UV stable. This boat engine cover is custom-made to create a perfect fit for your Mercury® Pro XS engine. Engineered to fit your Mercury Pro XS engine. Heavy-duty Polysoft II fabric. Waterproof and breathable. Soft interior lining. UV stable. Item(s) will ship directly from the manufacturer; delivery options and/or shipping upgrades are unavailable. Please allow 7-10 business days for delivery. Contiguous 48 states only. A street address is required for delivery.