360 Rotation: This nose hair trimmer can rotate 360 degrees to clean the nasal in all directions, deeply clean the nose hair, and keep the nasal hygienic and clean. 27 Teeth Protection: This nose hair trimmer adopts curved design on the top, 7 teeth protection, full cover teeth protection, no to the nasal. 3Double Head: This nose hair trimmer has a double head, one side for the hair trimming, and the other end can be used to clean the nose hair. Gives you a one time care for nasal hygiene. 4Washable: This nose trimmer can be cleaned and rinsed with water. Coupled with the stainless steel design, will not rust and can be used for a long time. 5Storage Case: This nose hair trimmer wears a small transparent storage case for easy storage and carrying. There are 12 in a set, so you can easily replace the bad ones or the old ones.