【Product Name】Earplugs 【Color】Black 【Size】S, M, L (with 3 types of ear tips) 【Material】Silicone 【Features】Reusable (washable) ● Supervised by an ENT Specialist These earplugs are seriously supervised by Dr. Yoshiyuki Nagata, an ENT specialist, allergy specialist, member of the Japanese Society of Sleep Research, and member of the Japanese Society of Sleep Environment, who is also an active doctor specializing in both "ears" and "sleep." ● Achieves High Sound Insulation Equipped with a high-performance dual-core filter to improve sleep quality! 2-WAY specification: 28dB with the filter / 33dB without the filter. ⚠️Photos on the website are for illustrative purposes only⚠️ ❗️Anonymous Shipping & Free Shipping❗️ Please check the actual product photos for the condition. #Click here for A☆I's product list ✨☜ 22-31 077 Earplugs for Sleep Mimilac 28dB Noise Reduction Waterproof Silicone Sound Reduction Soundproof Sleep Well Sleep Goods Black