Revolutionary Round Shape: The sleep earplugs conform to the natural shape of ergonomic engineering matching the ear canal to ensure the best comfort and quiet at night ; . If the headphones are not effective in isolating sound or they fall off, it is best to try larger earplugs Suitable for a variety of sleeping postures: not easy to fall off when sleeping. After the body temperature is heated, the earplugs can fit the shape of the ears perfectly. The noise reduction shielding layer is perfect, and it blocks out unnecessary sound waves like a shield. Don't need to insert the earplugs into the ear canal, so it won't harm your inner ear MULTIPLE USES AND EASY TO CLEAN: Earplugs for sleeping ensure optimal comfort, unlike sleeping plugs. low grade silicone ear plugs, foam or styling wax ear plugs, they are washable and reusable to save you a lot of money as they are not disposable ear plugs Reduce noise through the earplugs: sleep earplugs are made of soft silicone, with good adaptability, weak allergic agent and no silicon resin. After comprehensive testing and proof, SNR 27dB can be achieved in accordance with US regulations for sleep hearing protection. The sleep plug can block noise at acceptable volume, but it is not completely silent Multi-function ear plugs: They are very suitable for people who are shallow sleepers and are sensitive to noise. It can effectively isolate sound, car sound, motorcycle sound, construction sound to prevent tinnitus. In many cases, it can shield noise and background noise protection, which can help you focus on learning, working or reading