Sheets of black kydex to make covers.
Kydex was a material developed for military industry, which spread quickly to others like the aeronautical. Waterproof, durable and moldable material by temperature. Used in the manufacture of sheaths: knives, guns, pocketknives and anything else likely to be ported over, as handcuffs, cameras,... etc. Different thicknesses and colors to choose from according to tastes or needs.