Noise-canceling earplugs: earplugs with maximum 38dB SNR noise reduction, can block loud sounds to block hearing protection, eliminate distractions while sleeping and promote concentration when learning. Soft and comfortable: light, dense soft foam earplugs made of non-toxic PU material, soft expansion in the ear canal. This allows your earplugs to breathe freely to sleep without feeling bloated for a long time. Super benefit package: the package comes with 60 pairs of reusable earplugs, enough for the whole family to use and replace. The earplugs should be kept clean, if the earplugs are dirty, do not reuse them. Easy to carry: The earplugs come with a compact aluminum carrying case, which can be comfortably carried and stored anywhere, or be it as a key chain or directly in the bag, your earplugs are always safe and clean by your side. Wide application area: the foam rubber earplugs are suitable for sleeping, studying, working, concerts, sports events, fireworks display, for renovation of the house or other loud activities