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.