Snoring Blocking Technology: This sleep ear plug uses a noise reduction gel core to absorb 35dB of energy for 20-250Hz low-frequency noise (such as snoring, air conditioning vibration), which can reduce the snoring of the pillow person to a whisper level, while maintaining 92% transmission of medium and high frequency sounds above 500Hz (such as sleep aid white noise), so that you can sleep better. Customized Fit for All Ears:We all know that the structure of the ear canal is different for everyone. Each pack contains two different sizes, designed to fit the profile of your ear canal for maximum comfort and noise reduction. Whether it is a fitness exercise, daily commute or a rest at home, you can choose the most matching model. Eco-Friendly & Reusable Design: The Perfect Alternative to Disposable Foam Earplugs! these washable earplugs withstand 100+ uses. Cleaning is effortless: Just rinse under water or gently wipe with a mild cleanser to refresh in seconds. No scrubbing or special care needed. This earplug is meticulously designed based on the ergonomic principles of the human ear canal. The soft silicone gently adheres to the inner walls of the ear canal, ensuring excellent sound insulation without causing a strong squeezing sensation. Even when sleeping on your side, you won't feel any obvious foreign body sensation or pain in your ears. This sleep earplug is extremely easy to use and require no complications. Just gently insert the earplug into the ear canal slowly, and let it bounce back to create effective soundproofing. Daily storage is also easy, and the matching portable box is small and delicate, which can be easily put into the pocket. Color:As Shown Material:Silicone Package Contents: 2 * earplugs 1 * storage box