Color: Black #meg earplugs Size: Cord 70cm Style: Shadow L70 Reusable: Disposable Quantity: 10 pieces, and there's another set Bulk purchase available [Guaranteed Noise Reduction] The noise reduction effect complies with the US standard ANSI S3.19-1974, with an NRR (Noise Reduction Rate) of 33dB (highest grade) and SNR 38dB. Earplugs that can withstand professional use. Good noise reduction quickly leads to deep sleep. It also works well during work or study. [2022 New Development: Black Earplugs and Transparent Cord] Earplugs with cords are less likely to be lost, and can be hung around the neck when removed, allowing for immediate use. Black earplugs are less likely to attract the attention of those around you, and the transparent cord is also difficult to distinguish. They are inconspicuous when worn, making them ideal for working or studying in cafes. The cord is 70cm long. It is adjusted to the optimal length when worn around the neck. It also reduces tangling of the cord due to excessive length. The transparent cord is designed to minimize friction noise with skin and clothing. [Soft, Slim, and Low-Rebound] Made of skin-friendly super soft PU foam, the sponge has many fine holes, providing a gentle fit. The surface is glossy, and the remarkable feature is its shape memory performance, which slowly returns to its original shape over time. After wearing it for a while, it will fit the shape of your ear. These are very gentle earplugs. [Specifications tailored to the size of Japanese ears] They adopt a slim design suitable for Japanese people with small ears, reducing discomfort and pain even during long-term use. They can be used in a wide range of environments, such as at home, on public transportation, in libraries, and in cafes, providing the best soundproofing effect. [Hygienic packaging with individual wrapping] All are individually wrapped, and come with a portable zippered pouch and a cleaning cloth. The earplugs can be used continuously for about a week, and are recommended for travel and business trips. Black earplugs with cord, transparent cord, 70cm, individually packaged, slim, ANSI compliant, NRR value 33dB, black soft foam, noise canceling, black earplugs, cord, earplugs, high frequency, low frequency, airplane, work, factory, study, high sound insulation, SHADOW L70 10 pair pack 26-46$2780.2040.1480.930