【Ergonomic Design, Fits the Ear】The arc shape conforms to the shape of the ear canal, so there is no pressure even when sleeping on your side, and it won't fall out while sleeping. No worries about losing them. Made of environmentally friendly liquid silicone material, it is extremely flexible. Comfortable to wear, your ears won't hurt even after wearing them for a long time. 【High-Performance Noise Filtering】Good sound insulation! The noise reduction rate is as high as 28dB, easily blocking all kinds of noise and providing long-term comfortable hearing protection. By wearing them when you are concerned about the surrounding sounds such as sleep, work, study, or on airplanes, they will block out unpleasant sounds in your ears. Ideal for night shift workers and those sensitive to noise. 【Washable & Reusable】The elasticity does not decrease even after long-term use, and it can be reused by washing it with water even if it gets dirty, protecting the health of the ear canal. After use, wash with water, dry, and store in the dedicated case. 【Easy to Use】Gently push into the ear hole while holding the loop to complete wearing. If worn correctly, it will fit in your ear and won't get in the way. Comes with 3 sizes (S, M, L) of ear tips, please choose the size that suits you. ⭐Immediate purchase OK❣️Free shipping⭐ Please check the actual photos for the condition of the product♪ #Nao's product list is here✨☜ 36-7200021 Link Dream 【2024 Model】 Earplugs for Sleep Quietness, Comfortable Sleep, Noise Reduction Value 28dB, Doesn't Hurt Ears, Silicone, 3 Sets (S, M, L sizes), Relief of Hyperacusis, Noise Reduction, For Airplane, For Study, Noise Prevention, Soft, Washable, Noise Reduction (SNR): 28dB, With Storage Case (Black)