DR Strength Liquid Polymer - String Life Extender (1 Bottle)

DR Strength Liquid Polymer - String Life Extender (1 Bottle) Extend string life, tone, reduce breakage and corrosion! You won't see or feel the polymer but you'll know it's there! Coats your strings and provides high tech protection against dirt and grime that corrodes and causes strings to go dead. Completely harmless to instruments.  New old stock, still in original packaging.