In the future, adding a protective coat of silicon dioxide "liquid glass" to just about anything could be as simple as merely spraying it on.
The liquid glass spray produces a water-resistant coating only around 100 nanometers (15-30 molecules) thick. On this nanoscale the glass is highly flexible and breathable. The coating is environmentally harmless and non-toxic, and easy to clean using only water or a simple wipe with a damp cloth. It repels bacteria, water and dirt, and resists heat, UV light and even acids. Soon almost every product you purchase will be coated with liquid glass.