Officially Licensed Earplugs of NASCAR feature random multi-color swirl design. Dispenser is non-refillable. Made of extra soft, PVC-free foam with a tapered shape that fits snugly and comfortably. Version for food processing applications comes with metal detectable cord. Available with recyclable Plug Station dispenser. Tested to ANSI S3.19-1974. Made in USA. 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.