／ Stylish and high-performance earplugs! ＼ 【High-Performance Filter】 Reduces sound by approximately 40dB. By wearing them when you are concerned about surrounding noises, such as during sleep, work, study, or in public transportation, they block out unpleasant sounds. 【Achieves sound sleep and high soundproofing】 The earplugs come with three sizes: S, M, and L, allowing you to change to the size that best fits you. This provides an outstanding fit and complete integration with the ear, creating a quiet sleeping environment. 20-35 0001 Earplugs for sleep, complete soundproofing, sound sleep, noise canceling, high performance, sound reduction value 40dB, sound sleep, noise countermeasures, relaxation, airplane, study, washable