How Does The Insulation Of An Electric Blanket Compare With An Extension Cord? Can You Take A Picture?

I recently purchased a Biddeford electric blanket and I’m wondering how to wire insulation compares with an extension cord. I would imagine it would be more rugged but the wires feel so small and flexible that I question it.
I’d like to remove the wires from the blanket to get a better look but I’d rather not damage the brand new blanket! If you can post a photo, please do!

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