Specially-designed in a petite size to fit smaller ear canals Bell shape matches contours of your inner ear to ensure maximum noise reduction and resists tendency to back out of ear canal Smooth, soil-resistant closed-cell foam skin helps prevent dirt build-up Polyurethane foam enhances comfort, especially for long-term wear; 14 pairs of earplugs per pack; includes carrying case Noise Reduction Rating: 30 Specially-designed in a petite size to fit smaller ear canals Smooth, soil-resistant closed-cell foam skin helps prevent dirt build-up Polyurethane foam enhances comfort, especially for long-term wear; 14 pairs of earplugs per pack; includes carrying case Noise Reduction Rating: 30