Cute design and easy to fill, but it has two major problems:(1) It is impossible to clean all of the nooks and crannies of the reservoir. There are spaces that I can't clean using a toothbrush, scrub brush, paper towel or anything else, that have developed a pinkish mold which forced me to stop using this humidifier.(2) The humidifier shuts off prematurely, when there is still a shallow amount of water in the reservoir. Unless you catch this quickly, that shallow amount of water sits and grows mold.Overall, this is poorly designed.