Oasis OH-1 Guitar Humidifier<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> You can see when Oasis is ready for refill Long lasting humidification Won't leak due to overfilling Two levels of leak protection Stabilized to Never Touch the Body of Your Instrument </span></li><li><span class="a-list-item"> The body of Oasis is made from a specially designed fabric that allows water vapor (but not water) to pass through it </span></li><li><span class="a-list-item"> As the vapor transmission takes place， a vacuum is created and Oasis shrinks to compensate for the loss of water </span></li><li><span class="a-list-item"> By watching the Oasis shrink， you can determine when it is ready for refill </span></li><li><span class="a-list-item"> The body of the Blue Oasis Guitar Humidifier is made from a specially designed fabric that allows water vapor (but not water) to pass through it </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31AjeQAKtRL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51B37qwgegL.jpg" noproxy>