Zandonã Soundproof Earplugs Three Layer Silicone Earplugs Waterproof Swimming Ear Plugs Sleep Noise Reduction Comfortable-E

ZandonÃ

40dB High Noise Reduction---With 3-layer structure,top Silicone material,the NRR can be to 40dB, twice higher than ordinary earplugs. It's a...