Safe and ComfortableThe 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 adapt 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 ReductionCone 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. 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 for store all kinds of small jewellery. You can take it anywhere. 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. YJL official store