Noise cancelling ear plugs: Our foam ear plugs are made of environmentally friendly and non-toxic PU material, which can reduce the noise to 30 decibels, so that you will not be tortured by noise and bid farewell to sleepless nights. . Healthy and Comfortable: Our ear plugs for sleeping are super soft and will not cause pain or itching to the ear canal after long-term wearing. Foam ear plugs for sleeping is easifill and has excellent resilience.Earplugs slow rebound ability will not oppress the ear and is suitable for different ear canals. . Practicability: Try 5 pairs of different colors in each group ear plugs noise cancelling,if soft foam ear plugs are kept clean and intact, ear plugs reusable. The most important thing is to provide the highest degree of comfort. . Easy to carry: Each pair of sleeping ear plugs comes with a separate small box packaging and only 5g, which can be conveniently placed in your pocket or backpack to enjoy peace anytime, anywhere. . Wide use: Our earplugs for sleep can protect your eardrums anytime and anywhere, whether it is studying, sleeping, riding a motorcycle or when you need a quiet space, ear plugs can cover unnecessary noise, which is an ideal choice. .