D’Addario’s Instrument Care Essentials gives you everything you need to keep your instrument’s finish looking as great as the day you got it. The kit includes the 3-step polishing system, Hydrate neck cleaner, and a cotton polishing cloth.At D'Addario, we care as much about your instrument as you do. That is why we have developed the finest line of care products available. The comprehensive silicone free product line has everything you need to keep your instruments playing and looking like new.