Product Name: Xinyi Antibacterial Liquid Net content: 20ml/bottle Shelf life: 24 months Storage method: sealed and stored in a cool and dry place Packing: color box The nose is the primary route of infection for all airborne microorganisms. As a result, nasal sprays create a physical barrier layer in the nasal cavity in just a few sprays, reducing the risk of infection. Eat, travel and work safely outside the home with this extra protective barrier spray. Specifications: Main Features: Prevention against respiratory tract infections due to microbes and pollutants Protective barrier: Protects, cleans and helps repair the nasal mucosa. Reduces the risk of infection in the nasal cavity Package Included: Spray*1