Officially Licensed Earplugs of NASCAR feature high-visibility green swirl color for easy compliance checks and extra soft, low-pressure, PVC-free tapered foam for comfortable fit. Available with recyclable PlugStation dispenser. Tested to ANSI S3.19-1974. NASCAR is a registered trademark of The National Association for Stock Car Auto Racing, Inc. The NASCAR trademarks are used under license by The National Association for Stock Car Auto Racing, Inc. The random color patterns and bright green color are registered trademarks of Moldex-Metric, Inc. Please call for special pricing.