Genuine Moldex Meteors, 20 pairs. Shipped via non-standard mail. Thank you. ◯Product Description◯ MOLDEX Meteor earplugs have a very high noise reduction rating (NRR) of 33dB. The distinctive curved design is engineered to conform to the inner ear canal. It achieves high sound insulation with minimal pressure, making it less likely to cause ear pain even after prolonged use. The foam is soft and gentle, with a smooth surface finish for comfortable wear. 【Noise Reduction Rating】NRR 33dB 【Material】100% polyurethane foam (PVC-free) 【Size】Height 26mm x φ11.6mm (diameter at the widest point)