The sleep ear muffs come with four sizes of ear tips: S, M, L, and double flange. Once you find the size that fits you, it will fit snugly in your ear canal, effectively preventing them from falling out, and they are more stable, not sticking out of your ears even when you lie on your side. The best sleep aid! The earplugs are made of silicone, so they are gentle on the ears, and they can be washed with water for hygiene, allowing for repeated use. They have moderate sound insulation and a comfortable fit, and they don't hurt your ears when worn, making them suitable for sleeping or long periods of use. ✼••┈┈••✼••┈┈••✼••┈┈••✼••┈┈••✼ ✿.•Instant purchase welcome・Silent purchase OK at midnight•.✿ *First come, first served for only one item♬.*゜ *Welcome to bulk purchases, feel free to comment ♥Free shipping! ・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 sell at a slightly lower price, we may remove the item from its box for shipping due to shipping costs. ・We inspect the products before shipping, but if there are any defects, please contact us "before evaluation." ✼••┈┈••✼••┈┈••✼••┈┈••✼••┈┈••✼ Anloma Earplugs for Sleep Noise Cancelling, Noise Reduction Value 36dB, Silicone, Flexible, Sleep Aid, Washable and Reusable, Suitable for Study, Travel, and Work, 4 Types of Ear Cap Sizes (S/M/L/Double Layer, 1 set each) 23239941.3