Feature: The strips will promotes nose breathing during sleep,which leads to more efficient blood oxygenation. Our strips are safer and more efficient to prevent mouth breathing while you sleep. Our strips are made with a specially-engineered adhesive that allows you to easily apply and remove the strip without leaving any residue behind. Allergy resistant design, suitable for adults and children. Lightweight, soft and breathable. It can reduce dryness of the throat and helps to train nasal breathing for a softer breathing habit. Specification: Material: Plastic Type: X Quantity: X type: 30 pieces/Pack Package Included: 30 pieces/Pack x Sleep Strips Notes: Due to the light and screen setting difference, the color of the item may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.