Product Shape: Individual Noise Reduction: 40 decibels 【High-Performance Filter】 Reduces sound by approximately 40dB. By wearing these when you are concerned about surrounding noises, such as during sleep, work, study, or in public transportation, they will block out unpleasant sounds in your ears. ⋆┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈⋆ * Immediate purchase welcome, silent purchase at midnight OK ◎ * Please be sure to read the profile as well ◎ * Opened for photography ▶︎ Listed as "Like New" ◎ ⋆┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈⋆ #MIA～Silent & Immediate 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 sell at a slightly lower price, we may compress the item slightly or remove it from its box for shipping due to shipping costs. #MIA～Silent & Immediate Purchase OK Listing List Earplugs for sleep, complete soundproofing, good sleep, noise canceling, high performance, sound insulation value 40dB, good sleep, noise reduction, relaxation, airplane, study, washable, black 38-1 11