Fret Butter™ is a unique and simple patented proprietary solution for your stringed instruments' finger-board. Fret Butter™ hydrates the wood and removes grime and oxidation from your frets in one simple application. The result is a clean hydrated finger-board with shiny frets and a satin smooth finish protecting against sweat, acids, metal corrosion, and string abrasion. Now You Can: Easily clean your finger-board with the Fret Butter™ all-in-one cloth Prevent cracking and splitting of your finger-board Bring back like-new luster to your frets Fret Butter™ contains no harmful chemicals, is prop65 compliant, cruelty free and vegan. It is air-travel safe world-wide and ships to 169 countries. Fret Butter™ only contains food grade products and is free of lemon oil. Fret Butter™ Is: Competitively priced Superior and more effective than other products Used by world class Luthiers Your Guitar Maintenance Solution™ The Fret Butter™ re-sealable zippered package has equal dimensions as a pack of guitar strings with included hang-tag. The one-piece applicator cloth can be used multiple times.