Color: Black Noise reduction rate: up to 28dB Washable & reusable The arc shape fits the shape of the ear canal, so there is no pressure even when sleeping on your side, and it won't fall out while sleeping. No worries about losing them. Environmentally friendly, made of liquid silicone material, and extremely flexible. Comfortable to wear, your ears won't hurt even after wearing them for a long time. ⋆┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈⋆ ＊Instant purchase welcome・Midnight silent purchase OK◎ ＊Please be sure to read the profile as well◎ ＊Opened for photography ▶︎ Listed as "Like new"◎ ⋆┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈⋆ #MIA～Silent & Instant Purchase OK Listing List Please understand that the items are stored at home and will be shipped in simple packaging. ▪Please check the actual photos for the condition of the product. ▪To keep the price as low as possible, we may compress the item slightly or remove it from the box for shipping due to shipping costs. #MIA～Silent & Instant Purchase OK Listing List Earplugs for sleep, quiet, no ear pain, silicone, noise reduction, in-flight, study, noise reduction, black, earplugs for sleep, quiet, sound sleep, sound insulation value 28dB, hyperacusis, noise reduction, for in-flight use, for study, noise reduction, flexible soft, no ear pain, silicone, 3 sets, S M L size, washable, noise reduction 28dB, black, with storage case 35-57 21