They fit snugly in the ear canal, effectively preventing them from falling out, and are more stable. Choose the most comfortable tips freely from three sizes: S/M/L. The earplugs are also waterproof and can be reused by washing them after use. ✼••┈┈••✼••┈┈••✼••┈┈••✼••┈┈••✼ ✿.•Instant purchase welcome・Silent midnight purchase OK•.✿ *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 shipped in simple packaging. ・Please check the actual photos for the condition of the product♪ ※To keep the price as low as possible, we may ship the item without the box due to shipping costs. ・We are generally closed for shipping on weekends and holidays due to family priorities. We will ship if we have time. ・We inspect the products before shipping, but if there are any defects, please contact us "before evaluation." ✼••┈┈••✼••┈┈••✼••┈┈••✼••┈┈••✼ Link Dream Earplugs for Sleeping, Completely Soundproof, Noise Reduction Value 28dB, Earplugs, Silicone, Good Sleep, Sleep Aids, Noise Reduction Measures, Noise Canceling, Relaxation, Hearing Protection, Reusable, Washable, Unisex, with Storage, 3552.999.1