Acoustic Guitar Soundhole Humidifier Instrument Care Humidity Regulation Guitar Accessories 1pcs

Type: Guitar Humidifier Color: : Black, White, Silver Meterial: : Plastic Size: : approx. 8.0 x 3.3 x 8.5cm Instructions: Step 1: First inject water into the humidifier from the bottom round port (inject about 10ml of water) Step 2: Put the humidifier into the sound hole as shown in the picture and let it sit for a few minutes