【40dB Soundproofing Effect】 Achieves approximately 40dB noise reduction, minimizing most noise and providing comfortable hearing protection over extended periods. ❗ Note: This is not complete soundproofing; you can still hear necessary sounds like alarms and calls, so you can use it with peace of mind. 【Comfortable for Long-Term Wear】 With an innovative ergonomic design, it gently fits the ear canal with minimal occlusion, preventing ear pain even after prolonged use. Earplugs come in three sizes (S, M, L), allowing you to find the perfect fit! ☘️ Free Shipping & Immediate Purchase Welcome! ☘️ Please check the actual product photos for the condition. (´∀｀) * To reduce shipping costs, we may ship the product without the box. #yussk商品一覧 (yussk product list) for combined purchases are also welcome! 【Easy to Wear & Washable for Repeated Use】 There is no distinction between left and right ears, so it's easy to wear: simply gently pull up your ear and insert the earplug into the ear canal. You can wash it with water and reuse it. SijiRuge Earplugs for Sleeping, Sleep Aids, Noise Reduction 40dB, Soundproof, Study, Airplane, Work, Silicone Earplugs, Washable, 3 Pairs (S, M, L sizes x 1 set each) - Wakakusairo 47-28-9902