【 Soft and Comfortable 】--- The foam ear plugs is made of soft smooth foam, which is comfortable to sleep and wear for a long time. The use of slow rebound technology to help insert the earplugs into the ear, so that the ear canal is better fitted and not easy to fall, and there is no pressure and pain. 【Effective Noise Reduction】 --- The ear plugs for sleeping noise cancelling has been professionally tested, the ear plugs for sleeping has 32dB NRR, 37dB SNR of surprisingly high noise reduction level. Effective protection of hearing can also create a quiet environment for sleeping, working and studying in noisy places. 【 Widely Applicable 】--- The earplugs for sleep is designed according to the human ear canal, suitable for people of any age, not only can protect the hearing in the noise environment of industry and concerts, but also can be used to improve sleep quality and improve learning efficiency when sleeping. 【 Large Capacity -250 Pairs 】--- You will receive 250 pairs of foam ear plugs(500 pcs Ear Plugs for Sleeping Noise Cancelling). It is especially suitable for family use and long-term use in industrial places. Each pair is individually packed for easy carrying and storage. To ensure the cleanliness of the product. 【 Warm Tip 】--- No earplug can completely isolate noise, our ear plugs bulk are already very high noise reduction level, please believe our professional. If you have any questions about the product, please contact me in time, we will provide you with a solution at the first time. 【 Soft and Comfortable 】--- The foam ear plugs is made of soft smooth foam, which is comfortable to sleep and wear for a long time. The use of slow rebound technology to help insert the earplugs into the ear, so that the ear canal is better fitted and not easy to fall, and there is no pressure and pain. 【Effective Noise Reduction】 --- The ear plugs for sleeping noise cancelling has been professionally tested, the ear plugs for sleeping has 32dB NRR, 37dB SNR of surprisingly high noise reduction level. Effective protection of hearing can also create a quiet environment for sleeping, working and studying in noisy places. 【 Widely Applicable 】--- The earplugs for sleep is designed according to the human ear canal, suitable for people of any age, not only can protect the hearing in the noise environment of industry and concerts, but also can be used to improve sleep quality and improve learning efficiency when sleeping. 【 Large Capacity -150 Pairs 】-- You will receive 150 pairs of foam ear plugs(300 Ear Plugs for Sleeping Noise Cancelling). It is especially suitable for family use and long-term use in industrial places. Each product package includes an earplug storage box that you can store well after use. 【 Warm Tip 】--- No earplug can completely isolate noise, our ear plugs bulk are already very high noise reduction level, please believe our professional. If you have any questions about the product, please contact me in time, we will provide you with a solution at the first time.