Silicone ear tips - side sleepers will love it! Made of high quality silicone that is ultra soft, ultra comfortable, delicate and safe for our skin. What's more, you won't feel any pain or foreign body sensation even if you wear it for a long time. Anti-drop Earbuds -- No need to worry about dropping or losing them. Our earplugs are designed according to human cochlea structure, with 1.7cm length, 30 rhinoceros horn and shark fin design which perfectly fit ears and suitable for people having different cochleas. Whether it is used for sleeping or exercising, they will not fall off. Reusable Leak Proof Ear Plugs - This is a reusable leak proof ear plug with long lasting of life and no deformation. Just wash it regularly with warm or soapy water and let it dry naturally. Noise Canceling Earplugs - Our noise canceling earplugs can effectively reduce harmful noise by 30-40 decibels, minimize snoring , party noises, decoration noises, etc., ensuring you have a comfortable environment. Note: The earplugs can only block harmful noise to protect your hearing, but it can't eliminate all 0dB sound, please consider carefully before purchasing whether it meets your needs. Not just earphones for sleeping - each set comes with a case so you can use them however you like, such as reading a book, taking a lunch break, travelling, mowing or maintaining your lawn, or even swimming.