Self-adjusting foam expands to fit virtually every wearer Smooth, soil-resistant foam skin prevents dirt build-up Contoured T-shape for easy insertion and wear Vibrant colors for high visibility Noise reduction rating of 32 Laser Lite corded single-use earplugs are made of self-adjusting foam that expands to fit virtually every wearer. The contoured T-shape allows for easy insertion and fit. It's smooth, soil-resistant skin prevents dirt build-up. Vibrant colors make protection visible. Pairs are individually packaged in a polybag. NRR 32.