This package contains two genuine Boveda 72% humidity pack refills for the Rosin Saver. When used properly, each pack can last up to 1 year! Contains two Boveda 2-way humidity control packs, as well as detailed instructions.
*Contains just 2 packets and instructions, not a full Rosin Saver system! To purchase the Rosin Saver, which comes with two humidity packets, see our ROSIN SAVER item right here at Quantum Bass Market.