【Drop-proof Ear Plugs】 No need to worry about drop or loose. Our ear plugs are designed according to the structure of the human cochlea, length 1.15cm, the 30°rhino horn and shark fin are designed to fit the ear tightly, can be worn by people of different human cochlea. Whether they are used for sleeping or exercising, they will not fall off. 【Waterproof Reusable Ear Plugs】 This is a reusable waterproof ear plugs with a long lifespan, will not deform. Just regularly clean with warm water or soapy water and let it dry naturally. 【Silicone Ear Plugs】 People who like to sleep on their side will love it Made of super soft and super comfortable high-grade silicone material, it feels delicate and harmless to our skin. Also, you will feel no pain and foreign body sensation even wear it for a long time. 【Noise canceling Ear Plugs] Our noise canceling ear plugs can effectively reduce harmful noise, minimize snoring noise, party noise, decoration noise and so on, ensuring you are in a comfortable environment. Please note: Ear plugs can only block harmful noise to protect your hearing , but cannot suppress all sounds to 0db, please carefully consider whether it meets your needs before purchasing. 【Not Just Sleeping Ear Plugs】 Each set of ear plugs comes with a box so that you can use them wherever you want, such as while reading a book, during your lunch break, on a trip, do some lawn mowing or maintenance, or even swimming.