Moozikpro Acoustic Guitar Humidifier ~ Antimicrobial Sponge ANTI-DRIP DESIGN - Guitar humidifier guarantees no-mess and never touches the guitar body REUSABLE ANTIMICROBIAL SPONGE  Safely releases guitar humidity in sound hole in dry conditions EASY TO INSTALL - Acoustic guitar humidifier suspended by the strings with no clips required QUICK-OPEN LID-Guitar moisturizer fill in once a month for optimal humidity and enhanced guitar tone 100% LIFETIME SATISFACTION GUARANTEED - The only such warranty for acoustic guitar humidifiers