6-Layer Noise Reduction Earplug NRR 30dB Block out annoying, dangerous noises while still being able to hear what matters. These earplugs provide excellent hearing protection without compromising comfort. Comfortable Silicone Earplugs for Sleeping The soft silicone material is gentle on the ears. They not only provide ear protection and a peaceful and uninterrupted experience in any noisy environment. They are also earplugs for sleeping noise canceling, so you can enjoy a restful night's sleep without any disturbances. Washable and Reusable They’re made of easy-to-clean silicone. Just wash them in water and then it can be used again. S/M/L 3 Size Earbuds Pack of 3 different size earbuds includes a small, middle and large for a custom fit.Note: They reduce the noise but you can still hear some.Not 100% cancel the noise. If the smallest earbud is still too big for you, please email us for other solutions. Full Package : The package includes one pair of earplugs with small, middle, large ear caps, one carrying case, suitable for all kinds of ear canals. Be confident of the product, we offer 2 years replacement for it. Comfortable and Widely Application : The reusable silicone material is comfortable and fits perfectly. It will provide ear protection and a peaceful and uninterrupted experience in any noisy environment. It’s suitable for sleeping, snoring, studying, bathing, travel, loud events, concerts, flying discomfort, motorcycles, and more. Washable and Reusable : The high-quality silicone earplugs are not only comfortable on the ears, but also waterproof. Just wash it in water, dry it and then it can be used again. Come with 3 Different Size Earbuds : To fit different ear canals, the package comes with 3 different size earmuffs, small, middle and large. In addition, the portable case is a handy addition for travel. 6-Layer Structure Advanced Noise Reduction : Lihobi new release noise cancelling ear plug has 6-layer structure to reduce noise up to 30dB, which will create a peaceful environment even in noisy situation, whether you are sleeping, working, or attending large gatherings.