Superior Noise Canceling Headphones: Noise canceling headphones block noise with a noise reduction level (nrr) of 34 DB to protect hearing, eliminate sleep disturbances and improve concentration while learning. Ideal for studying, sleeping, flying, concerts, sporting events, fireworks, vacuuming, mowing, drilling and any other noisy environment. Safe and soft material: the earplugs are made of an ultra soft material, not easy to harden, light, dense, tapered, comfortable and hygienic. With special high-density memory foam, the sleep headphones provide good sound isolation, slow rebound time, soft comfort and all-day protection in various noisy environments. Superior Comfort: Ideal for your ear canal with its unique flared design that puts no pressure on your ears, especially for side sleepers, it can be used while sleeping with your snoring partner, allowing you to have a good quality of sleep. Package content: contains 120 earplugs (60 pairs) and a high-quality container for easy transport and storage. The size of the earplugs is about 1325mm, suitable for most ear canals. They meet your needs perfectly. They are reusable and provide long term protection. (it is recommended to replace new earplugs within 4-6 days to keep the ear canal clean).