4290 NANO SEALANT This product is the latest in technologically advanced chemistry. Thanks to some of the developments in the field of nano science, we've brought to you a paint sealant and protectant that is the most effective in protecting paint surfaces while enhancing the depth and shine of all painted surfaces. This unique product has displayed remarkable side effects including restoring dulled finishes on various surfaces from glass to plastic and chrome without leaving any residue behind. This is ideal for showroom cars.