There are 18 unused sets (36 pieces) included. I liked using this product because even the smallest size of Moldex made my ears hurt. I think it's suitable for people with small ear canals and women. ★ No price reduction EARS SECRET Super Mini Earplugs for Sleep, Doesn't Hurt, Noise Reduction, Noise Isolation Value 32dB, Small Ear Canal, Sound Sleep, Women, Study, Construction, Work, Travel, Airplane, Disposable [Super Mini Earplugs] EARS SECRET Candela Super Mini Earplugs are the smallest size earplugs for slim ear canals, designed for those with small ear canals. [High sound insulation and noise reduction] Achieves excellent sound insulation performance and can be used in various situations such as snoring, neighbors, children, dogs and cats, motors, shooting, concerts, loud events, study, dormitories, and workshops, and is a reliable companion for hearing protection and noise canceling. [Moderate resilience] Thanks to the excellent quality and PU soft foam finish, EARS SECRET earplugs can be compressed into a cylinder with a diameter of 0.5-0.7mm, retain their shape for 1-2 minutes or more, and fully expand in the ear in about 1 minute (time varies depending on temperature and humidity). With excellent resilience, it can fit a wide range of ear sizes. [Comfortable to wear] The surface is treated to be smooth, realizing a small and soft fit. The earplugs comfortably grip the ear canal, and there is no discomfort of feeling your ears plugged. Even after wearing them multiple times, earwax does not easily accumulate, and they can be kept clean.