10 piece humidifiers filters cotton swab comes as a set of 10 sticks. material made from filter cotton, good quality. suitable for usb water bottle caps humidifier. help the machine to diffuse mist and purify. can be sheared in shorter you need. low temperature resistant. can be used to filter water. low temperature resistant,filter water filter cotton,can be sheared diffuse mist and purify filter cotton sticks only ,other accessories demo in the picture is not included. humidifiers filters cotton swab for humidifier aroma diffuser