MOLDEX "Meteors" Earplugs, Set of 30 Pairs (2 earplugs per pair) Size: H26mm x Φ11.6mm (diameter at the widest point) Noise Reduction Rating (NRR): 33dB Material: 100% Foam Polyurethane Individually packaged for hygiene, useful in various situations. ^^ MOLDEX earplugs originated in the United States. The soft, elastic polyurethane and the angled design provide a comfortable fit and high performance. #MOLDEXMeteor Snoring Sleep Aids Hearing Sensitivity High Performance Strongest Concentration Reading Studying Construction Measures Factory Gourd-shaped Stress Reduction Airplane Pachinko Sleep Good Sleep Remote Work Recommended