Safe and Comfortable; The noise reduction earplugs are made of premium sponge. It is a self-adapting thermal sponge that rebounds after entering the ear canal and will automatically adapt to the ear canal as the temperature is milder, and will not compress the ear canal at night. Provides a soft and comfortable using experience. Effective Noise Reduction; Foam earplug cone design, to perfectly fit different sizes of ear canal. They can block out loud noises to protect ears, avoid distractions while sleeping and help you concentrate while studying. Separate Packaging and Portable; 6 pairs of earplugs to reduce hearing noise, each pair of earplugs comes with independent packaging to avoid crossover and mixing, 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 anywhere. ;Wide Use ; ;The earplugs are small but powerful enough to protect your hearing in noisy conditions. can block out any kind of noise easily, you can use them for sleeping, traveling, concerts, construction, work, study, snoring, office and other places where you need to be quiet. even if you wear them for a long time without causing irritation or discomfort on the skin.