Silicone Earplugs: -- People who like to sleep on their side will love it Made of super soft and super comfortable high quality silicone, it is delicate and safe for our skin. In addition, you won't feel any pain nor foreign body sensation, even if you wear it for a long time. Anti-Drop Earplugs: -- No need to worry about falling off or losing. Our earplugs are designed according to human cochlea structure, length 1.15cm, 30 rhino horn and shark fin are designed for fit the ear perfectly, can be worn by people of different human cochlea. Whether used for sleeping or exercising, they won't fall off. Waterproof Reusable Earplugs: -- This is a reusable waterproof earplug with long service life, no deformation. Just clean it regularly with warm water or soapy water and let it dry naturally. Noise Canceling Earplugs: -- Our noise canceling earplugs can effectively reduce harmful noise by 30-40dB, minimize snoring, party noise, decoration noise, etc., thus guaranteeing you a comfortable environment. Note: Earplugs can only block harmful noise to protect your hearing, but can't remove all 0dB sound, please carefully consider whether it meets your needs before purchasing. Not Just Earplugs for Sleeping: -- Each set of earplugs comes with a box, so you can use them anywhere you like, such as when reading a book, on your lunch break, when travelling, to mow or maintain the lawn, or even for swimming.