Noise Reduction Rating (NRR): 22 dB (when worn under-the-chin). Design: Two flexible arms distribute pressure evenly across the ear canal openings for lasting comfort. Pods: Soft, reusable foam pods gently cap off the ear canal rather than inserting deeply. Material: 100% PVC-Free construction and packaging. Eyewear Friendly: Designed not to interfere with safety glasses or regular eyewear. Colors: Available in an assortment of 5 bright colors.