Safe and Comfortable: The noise reduction earplugs are made of premium sponge. It is a self-adaptive thermal sponge that rebounds after entering the ear canal and will automatically adjust to the ear canal as the temperature is milder, and does not compress the ear canal at night. provides a smooth and comfortable using experience. . Effective Noise Reduction Cone design of foam earplugs, to perfectly fit different ear canal sizes. They can block out loud noises to protect the ears, avoid distractions while sleeping, and help you concentrate while you study. . Separate and Portable Packaging 6 pairs of earplugs to reduce hearing noise, each pair of earplugs comes with independent packaging to avoid cross and mix-up, so you can have your own exclusive earplug gift box, the box can also be used to store all kinds of small jewelry. You can take it everywhere. . Wide Use The earplugs are small but powerful enough to protect your hearing in noisy conditions. can block out all kinds of noise easily, you can use them for sleeping, traveling, concerts, construction, work, study, snoring, 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. . Qualit service gives you a peaceful night. if you are not satisfied with our products, we can refund or replace them. .