Earplugs for sleeping are made of high quality silicone, which is non-toxic and harmless to the skin. It can be used multiple times and is comfortable to wear. While providing anti-noise, the ear canal pressure is even. distributed, and there will be no tenderness at any time. The skin of noise canceling earplugs is soft and conforms to the shape of the ear. Just gently push the noise canceling earplugs into the ears to cover the ears. Even if you lie on your side or roll over, it will not fall off easily and you can enjoy quiet all night.The noise reduction level of the earplugs is 4 different sizes of earplugs. ear, allowing you to find the best fit for you and giving you maximum hearing protection. (Note: correct use and use of earplugs The correct size of ear tips is very important for the noise canceling effect.)The sleep ball set includes a transparent storage box, which is compact and convenient to carry and store at home. anytime and anywhere, moisture, dust and debris proof. You're noise earplugs can protect your hearing in noisy environments. It can easily block out all kinds of noises and can be used in places that need quiet such as sleeping, traveling, concerts, construction, work, study, snoring, office, etc. They are great noise cancelers for your daily life. Note: Data are all measured manually, please allow for an error of 1-3cm. Due to differences in light and display, there may be a certain color difference, which is subject to the actual object received.