20Pcs】3M Earplug Safety Protection Sleeping Earplugs Noise Reduction Ear Protect

After the product is back to soft, you can wear it normally. Earplugs: 1110 20 pairs. Earplugs(2pcs/pair). Earplugs are easy to rub, easy to wear. Nominal noise reduction value (NRR=29 dB SNR=37 dB).

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