[Material]  PE ,Non-woven cloth and film
[Specification]  Medium: 55mm x 16mm (fits 75 % of adult noses.)
                 Large: 66mm x 19mm (for an adult with a larger nose
[Functions]
  1. It can relieve nasal obstruction to prevent snore and improve sleep quality.
  2. It can strengthen nasal respiration and increase blood oxygen saturation of the heart  and the brain.
  3. The opening of nostril will help to change through-mouth respiratory habit and to give play to the natural barrier of the nasals in the filtration of air.
  4. It is made of high-tech imported medical silicone rubber and is safe and convenient to use, effective and no harmful to human body.
  5. Long-