Officially Licensed Earplugs of NASCAR feature random multi-color swirl design. Extra soft, PVC-free foam and tapered shape fit snugly and comfortably. Metal detectable version for food processing applications comes with metal detectable cord. 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.