Hearing Protection Ear Plugs: If you are interested in our ear plugs, please try them out and give yourself a comfortable experience. We believe it will bring you a better quality of life.(Please note: The sleeping ear plugs can block some noise to a acceptable volume, but not totally silent. ). If you have any problem with our noise cancelling ear plugs, please feel free to contact us. We are willing to replace or give you a full refund. Waterproof Aluminum Case: Never be without your earplugs again by using the included sturdy metal case with a waterproof rubber seal. Our compact case allows for safe and easy storage on your keychain, carabiner, backpack, or in your pocket. Easy to clean by gently wiping the earplugs with a wet tissue or cloth. The hustle and bustle of life is gradually gone,and enjoy the long-lost comfortable sleep. The sleeping ear plugs are suitable for sleep, work, swimming, travel, study, etc. Ergonomic Design:The ear plugs for sleep are designed with a bionic jellyfish and fit the ear canal 360 degrees. Even if you lie on your side or turn over, The sleeping ear plugs not easy to slip off. Breathable and comfortable, no pain to wear for a long time.It's worth mentioning that the non-in-ear design of our upgraded ear plugs for noise reduction eliminates the need to insert them deeply into the ear canal, thus avoiding the risk of hearing loss. Safe, Reusable and Washable: The earplugs are made of super soft food-grade silicone material, which do not stick to dust and have a delicate touch, with good elasticity and memory function, and the ear plugs for sleeping noise cancelling can be pulled at will without deformation.A one-time purchase with great value for money!. Effective Noise Reduction: The ear plugs noise reduction have different noise-cancelling effects in different scenes (NRR 25dB to 33dB),soften the sound source and reduce noise while preserving the sound clarity and sharpness. These comfortable ear plugs for sleeping help preserve your hearing and provide you with some peace in a noisy world.