Scan-Pressure-Reducing-Silicone-Earplugs-SNR-24-d B-3-Pairs-Scan-EC-2010L-p-Scan-Pressure-Reducing-Earplugs-are-made-from-silicone-making-them-cleanable-&-reusable-They-are-a-Class-4-product-with-an-SNR-24-d B-rating-Suitable-for-reducing-ambient-noise-or-reducing-the-effects-of-in-flight-cabin-pressure-p-p-Supplied-in-a-resealable-container-Recommended-shelf-life-of-3-years-p-p-Conforms-to-EN-352-2-p-Scan-EC-2010L-Pressure-Reducing-Silicone-Earplugs-SNR-24-d B-3-Pairs-