・The main ingredient (dehumidifier) of this product is safe "B-type silica gel." ・Even if it absorbs moisture, it will not release moisture or become jelly-like, so you can use it with confidence. ・"B-type silica gel" has the property of controlling humidity by repeatedly absorbing and releasing moisture depending on the surrounding humidity. Additionally, since it repeatedly absorbs and releases moisture, it can be used for a longer period of time than other dehumidifiers.