Nasal Clips Pulmonary Function Test Breathing Training Lung Capacity Test Disposable Nose Clips Feature: 1. Prevent Injury: Nasal clips used to prevent people from breathing through their nose, reduces nasal mucus and protects your nose from injury. 2. Easy Use: Simply clip the nose clip to your nose and without worrying about damaging your nose. 3. Excellent Material: Nasal clips made of high quality PVC, which is no harm to your skin and can provide a comfortable wearing feeling. 4. Suitable Size: The size of nose clips is suitable for most people and does not burden the nose. 5. Widely Use: Suitable for home, school, playground, teacher, sports group to take a lung capacity test use. Specification: colourblue size64*40mm Scope of Application: Suitable for family, school, playground, teachers, sports groups use Package List:5xNasal Clips