Feature1.We provide 4 reusable ventilation holes of different sizes to fit all nasal / nasal openings whether you are male or female. Two models: hollow snoring plug * 4 + solid snoring plug * 4. Each model has four sizes: S, M, L, XL. Safe and reusable, effectively helping to eliminate or reduce snoring and get a good night's sleep.2.The anti-snoring kit helps to reduce snoring, heavy breathing, nasal congestion, stuffy nose, colds and flu and other respiratory risks.3. Anti Snoring Devices is made of high quality materials, harmless, non-toxic and harmless. Slides gently into the nostrils, keeps them apart and makes breathing easier and quieter4.The nasal dilator is easy to use and clean. The matching box provides excellent protection against dust and dirtYou can easily carry it anywhere.Package contents:4 x hollow snoring plug4 x Solid snoring plug1 x Portable transport case4 sizes: S, M, L, XL