McKee's 37 high DEF paint sealant is a thick, creamy synthetic polymer formula that guards your vehicle's paintwork against the damaging effects of UV rays, road salt, bug splatter, water spots, acid rain, and environmental pollution while enhancing the depth and gloss. High definition polymers form a catalytic bond to painted surfaces to provide long lasting protection, even during harsh winter weather where low temperatures and corrosive road salt are constantly trying to wreak havoc on your vehicle's delicate finish. Your vehicle's paint will have mile-deep reflections after using McKee's 37 high DEF paint sealant.