Safe and comfortable: Noise reduction earplugs are made of premium sponge. It is a self-adaptive thermal sponge that rebounds after entering the ear canal, and automatically adapts to the ear canal when the temperature is milder, and does not compress the ear canal at night. . Effective noise reduction The cone-shaped foam earplugs adapt perfectly to different ear canal sizes. They can block out loud noises to protect the ears, avoid distractions while sleeping, and help you concentrate when studying. . Separate packaging and portable 6 pairs of earplugs to reduce hearing noise, each pair of earplugs comes in a separate package to avoid cross-talk and confusion, allowing you to to have your own gift box of earplugs. You can take it everywhere. . Wide Use The earplugs are small but powerful enough to protect your hearing in noisy conditions. They can block out all kinds of noise easily, you can use them for sleeping, traveling, attending concerts, building, working, studying, snoring, in the office and other places where you need quiet. even if you wear them for a long time without causing irritation or discomfort on the skin.