Used for an extremely short time. 2025 Earplugs Reduce 55dB】Earplugs for sleeping, Sattie earplugs, complete sound insulation, noise canceling, sleep earphones, sound insulation filter type, earplugs that allow you to hear alarms, washable, soundproof, for a good night's sleep, for those with hyperacusis, earphone type, earplugs, alarm clock, snoring prevention goods, for study/work/study/live/travel/in-flight use, only snoring is not heard, earplugs with storage pouch S M L