Surface Shield by B'laster is a complete protection for all metal parts and is the best defense in fighting rust. Up to two years of corrosion protection with uniform surface build, no peaks and valleys. Lubrication is a B'laster staple, so naturally we perfected the balance of ensuring steady operation of your project as we protect it from corrosion. This is a non-toxic safe, low VOC, natural, lanolin based product that is not only great at protecting metal it also won't harm plastic, rubber, glass or wiring. All lanolin product have some odor, but our product odor is much more milder and you won't stink up your garage like the others do. Sizes include a 12 ounce aerosol can, a one gallon pail, and 5 gallon bucket. About four aerosol cans can treat a full undercarriage of your vehicle.