With the ergonomic and lightweight "Zero Sense" design, you won't experience any pain or discomfort in your ears even after wearing them for extended periods. They fit snugly in the ear canal, effectively preventing them from falling out, and provide greater stability. Made of high-quality foam polyurethane, they have a noise reduction rating of NRR28dB, offering high sound insulation and blocking out most noise. They are also highly waterproof and can be reused by washing them after use. Therefore, you don't need to worry about the health of your ear canals. The simple design is suitable for both left and right ears, allowing for quick and easy insertion in just one second. They are easy to install and use. A convenient magnetic storage box is included for easy portability. It opens and closes smoothly, allowing you to quickly store them after use and keep them clean. They are easy to carry to prevent loss and can store three sets of earplugs at the same time. Suitable for deep sleep, snoring prevention, swimming, studying, flying, work, concerts, mowing the lawn, etc. Recommended for those who want to protect their ears from loud environments like live performances, and for those with hyperacusis or misophonia. ⋆┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈⋆ ＊Instant purchase welcome・Midnight silent purchase OK◎ ＊Please be sure to read the profile as well◎ ＊Opened for photography ▶︎ Listed as "Like New"◎ ⋆┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈⋆ #MIA～Silent & Instant Purchase OK Listing List Please understand that items are stored at home and will be shipped in simple packaging. ▪Please check the actual photos for the condition of the product. ▪To offer the lowest possible price, we may compress the item slightly or remove it from its box for shipping due to shipping costs. #MIA～Silent & Instant Purchase OK Listing List Link Dream Earplugs for Sleep, Complete Sound Insulation, Noise Reduction Value 28dB, Silicone Earplugs, Good Sleep, Sleep Aids, Noise Reduction Measures, Noise Canceling, Relaxation, Hearing Protection, Reusable, 3 Sets (S, M, L sizes), Washable, Unisex, with Storage Pouch y38-35 01