Fast Glass is a highly effective cleaner, free of abrasives, waxes and silicones which leaves no residues but a crystal-clear finish. This cleaner is perfect for use inside and out and cuts through dirt easily removing road grime, insect remains, tree sap, oil, grease, and bird droppings.How to use:1.      Spray a light coating onto the glass and spread with a microfibre cloth. Buff to a crystal-clear finish, turning the cloth regularly.2.      For in-car screens and navigation spray directly onto the cloth to apply.