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! There are 3 different sizes (S -L).If the headphones are not effective at isolating sound or they fall off, it is best to try larger earplugs. Suitable for a variety of sleep postures: not easy to fall while 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. Various uses and easy to clean: earplugs for sleeping guarantee optimal comfort, unlike inferior silicone earplugs, foam or styling wax earplugs, they are washable and reusable to save you a lot of money because they are not earplugs disposable earplugs. Reduce noise through earplugs: Sleeping earplugs are made of soft silicone, with good adaptability, weak allergic agent and no silicon resin. 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 sleep shallow and 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.