Developed by the Boeing Company, T9 Boeshield is based on a unique combination of solvents and waxes designed to penetrate metal pores and dissolve minor corrosion, then leave a resilient waxy coating that lasts for many months. SHIPPING RESTRICTION This item is classified "ORM-D" and cannot be shipped via air. It can only be shipped via ground shipping methods. If you add this item to your cart, the list of available shipping methods will be reduced. For more variety of shipping options, consider removing this item from your cart (or placing a separate order using a ground shipping method. ) | Boeshield | T9 Aerosol 12 Oz