Developed and formulated in France, Saphir Nano Invulner Spray is an excellent water, dirt and stain protectant that help avoiding damage due to snow, rain, salt, grit and grime on a variety of leather and textile surfaces. Based on ingenious nanotechnology that will guarantee superior protection in any wet condition the Nano Invulner will create a protective barrier while allowing breathing capacity of all types of leather and TEX materials. Spraying one or twice monthly is recommended for best results.