1Noise Reduction: The earplugs come with excellent stretch and expandability, which can fit your ear tightly and reduce the noise to the utmost extent, giving you a comfortable environment for your sleep and work. 2Not Interfere with Your Sleep: The earplugs are made of slow rebound sponge, which is ultra low pressure, slow release, and easy to wear for most people. After the earplugs are placed in the ear canal, they will be in the same plane as your face, so you can choose your sleeping position freely and the earplugs will not interfere with your sleep. 3Widely Used: The earplugs can be used in any place where you need a relatively quiet environment, such as when you are in your bedroom, library, classroom, or office. Or you need to prevent yourself from being hurt by the noise, such as when you are doing carpenter work, or someone is snoring...The earplugs will give you a good experience. But notice that the earplug is not able to remove all the noise but reduces the noise to an acceptable level. 4Sufficient Quantity: There are 60pcs earplugs in one set, so you do not need to worry about problems like loss, soiling, etc. Use it at will! 5Easy Carrying: Don't give up your pursuit of life! The earplugs are kept in a small bottle that you can take anywhere you want to improve your quality of life!