MP01 - GUITAR POLISH - 4 oz. VOTED #1 most effective Guitar Polish. Carnauba wax/water-based formula for quick & easy polishing for all types of guitar and bass instruments. Eco-safe, non-toxic, biodegradable "Slilcon-free". Easy on & off formula with NO smearing. For use on all instrument finishes, mobile devices, computer screens, counter tops, eye wear, over two decades of proven performance.