NEWARK, NJ (CBSNewYork) – Homeland Security investigators have been busy the past couple weeks, rounding up counterfeit Giants and other NFL goods at local ports and postal facilities.

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Counterfeit Giants and Eagles jerseys do have tell-tale signs.

“See this patch,” said acting agent in charge of the Newark office Andrew McLees. “On a legitimate jersey, that would go all the way around.”

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Thiose are examples of fake NFL products seized after the Giants won the NFC championship.

“In less than two weeks, we’ve seized over $400,000 worth,” he said Thursday. “The consumer thinks they’re getting a good deal, paying less money for something that they would otherwise pay more for. In reality, there’s a couple of problems here.”

He says the product quality is often bad and these items, usually made overseas, cost American jobs.

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So, with the Super Bowl this Sunday, be careful where you get your merchandise.