[Tip]: If you are interested in our SCOBUTY hearing protection earplugs, please give yourself a chance We believe it will bring better quality to your life (Please note that the sleep earplug can block some noise to an acceptable volume, but it cannot be completely silent ). [Multi-purpose]: Multi-functional noise reduction ear plugs: musician earplug, anti-noise ear protector at work, noise-reducing at sleep, construction earplug, motorcycle earplug, concert earplug, meditation, sound insulation, learning, concentration, drummer, carnival, sports events, fitness class, noisy working environment or anyone sensitive to noise. [Reusable and washable]: The ear plugs for sleeping is made of super-soft food-grade silicone material, which is easy to clean, waterproof, durable and washable. When it is dirty, it can be cleaned without damage. The silicone ear plugs used to eliminate sleep noise can be pulled freely without deformation. The earplug can be reused for many years, which is very valuable. One-time purchase, value for money!. [Extremely comfortable]: The ear plugs for sleeping noise cancelling conforms to the ergonomic design and can be embedded into the ear canal 360 degrees. Even if you lie on your side or turn over, ear plugs for sleeping will not fall off easily. Breathable and comfortable, it wonu0027t hurt to wear it for a long time. SCOBUTY earplugs are very suitable for most ears to maximize comfort. [Noise cancelling ear plugs]: The ear plugs used for sleeping noise cancelling has different noise reduction effects (NRR 25dB to 33dB) in different scenes, which can reduce the destructive decibel level and protect the ear in the noise area without damaging the sound quality.