Nasal strips are classified as Class II medical devices. The product consists of hot melt adhesive, an elastic material (polyester), breathable material, and a backing paper.
Common models include I, II, III, and IV, with corresponding dimensions such as 42mm×13.5mm, 55mm×16mm, 56mm×16mm, and 60mm×17mm. The product's tackiness should not exceed 2.5mm, and the peel strength should be no less than 1.0N/cm. Approval/registration certificate numbers are, for example, Jin Xie Zhu Zhun 20162140079. The shelf life is typically 24 months (two years).