Keeps the optimal humidity 40-60%. Just clip it on your ukulele and put it in the case. A moisture management and deodorizing mat that is perfect for preventing cracks and deodorizing
By using a special method of silica clin, it absorbs moisture at high humidity, and releases a little moisture at a time of low humidity
In addition to moisture control, it also helps deodorizing and mold mold proof inside the case
Functions can be regenerated repeatedly when dried in the sun (includes moisture absorption sensor)