Laser Lite uncorded 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 WARNING: This product can expose you to chemicals which is are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www. P65Warnings. ca. gov.