Safely view the sun anytime and during all partial phases of an eclipse (viewer required for all phases of an annular eclipse). Our exclusive high-quality substrates provide superior safety features, sharper solar images, and pleasing orange solar image. Exclusive Thousand Oaks Optical formula developed solely for safe solar observation. The protective properties of our Silver-Black Polymer films are throughout the substrate so there is never a concern about pinholes. Larger quantities quoted on request.