Thank you for viewing! (*・ω・) •*¨*•.¸¸☆*・゜•*¨*•.¸¸☆*・゜•*¨*•.¸¸☆*・* [Product Description] and 3-16 [Recommended by a Sleep Consultant] cocosou earplugs are specifically designed for sleep. They feature a unique filter that allows only air and necessary sounds to pass through. Unlike urethane earplugs, they don't completely block the ear, so your ears are less likely to get stuffy even after long periods of use. Made with medical-grade silicone, they fit gently in the ear and are less likely to cause pain even when you toss and turn. The product is also washable and reusable. [Equipped with a Unique Filter] Offers a noise reduction rating (NRR) of 32dB. However, you can still hear alarms and calls, so you can use them with peace of mind. [Recommended for those who:] Want to improve sleep quality, want to sleep soundly, want to concentrate on studying or work, want to protect their ears from loud environments like live music, or those with hyperacusis or misophonia. [Includes 4 Types of Ear Tips + Storage Case] Comes with four sizes (XS, S, M, L) of ear tips, so you can find the size that fits your ears. Also includes a convenient case to store the product itself and the ear tips. [With Japanese Instruction Manual] Comes with a Japanese instruction manual, so please purchase with confidence. Earplugs for Sleep [Recommended by a Sleep Consultant] Silicone Sleep Earplugs for Hyperacusis Noise Reduction Sound Sleep 32dB Reduction with Carrying Case 4 Size Ear Tips with Japanese Instruction Manual cocosou (Blue) [Product Condition] ・Brand new, unused. ・Please check the photos for details (^^ゞ ※Please take a look at the many other items we have for sale! ☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆ ・Please read the product description and profile and only purchase if you understand. ・Some products will be shipped without the box. Please understand beforehand. ・If you have any questions about the product, please feel free to comment (*・ω・) I want to have a pleasant transaction with everyone. Please feel free to ask any questions or point out anything you're unsure about (o・ω・o)