Humydrole Button

This little humidifier is a classic of what older humidifiers used to work like. It's made of clay and fizzles when absorbs water. When it loses its color, you dip it in distilled water again. Used it in a humidor to boost some humidity for the heck of it and it worked fine. As of this writing, I didn't treat it with water again because my box is at a decent humidity level. Another toy!
Color: Pink clay with silver metal case.
Size: 1.75 in. by 0.5 in.
Method of Attachment: Velcro (included).