Earplugs for sleep, complete soundproofing, for a good night's sleep, noise canceling, high performance, noise reduction value 40dB, for a comfortable sleep, noise対策, relaxation, airplane, study, washable, with storage case 43-37 ◎ This product is available for immediate purchase! ◎ We ship within 24 hours! Although unused, it has been stored at home, so Please purchase only if you understand. ※ There is a possibility that we will ship after taking it out of the box ★★