Excellent soundproofing performance, earplugs, earplugs with storage case. 4 sets out of 5 sets are just the right number. You can rest assured even if you lose them♪ 【Moderate resilience】 Made of urethane foam material with low pressure, it is very soft. When using, roll it up with your fingertips and make it thin, then insert it into your ear. It will slowly expand in 60 seconds and can completely conform to the shape of the ear canal. The gaps disappear, and the soundproofing effect is fully demonstrated. 【Comfortable fit】 The surface is treated to be smooth, realizing a soft fit. The earplugs comfortably grip in the ear canal, and there is no discomfort of feeling your ears plugged. Even after wearing multiple times, earwax is less likely to accumulate, and you can keep it clean. Washable 【Comes with a portable storage case】 A portable storage case is included. The storage case is lightweight and can protect the earplugs from deformation and moisture, also improving cleanliness. With a compact case, you can put it in your pocket or bag. 【Applicable in various places】 When you can't get any rest due to surrounding noise during nighttime rest or naps, using these will allow you to sleep peacefully. Snoring, noise canceling, airplane, business trip, commuting, train, soundproofing, noise reduction, noise, study, construction Free shipping, anonymous delivery 09150PM