Nostril retainer is important for maintaining and smoothing the shape of your nose after nose sur-gery. Provides a comfortable healing process post-nasal by reducing swelling and discomfort. Easy to use. Whether you are using it for short-term recovery or extended healing, the nostril retainer simplifies the healing process. Noet please boil it in boiling water for 1 minute before wearing it. Do not use for more than 24 hours, take a 30-minute break every 4-6 hours. Good use for Immobilization and fixation for clinic, beauty salon, ENT, Rhinoplasty Septoplasty Sur-gery, Nose Brace Fracture, Orthopedic Immobilization. 4 size for availble, offer a universal fit for most nose shapes and sizes. Please refer to the size chart on the left before placing an order. BPA free, breathable, comfortable.