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I’d strongly recommend keeping this magnet away from your cards. I am no expert but I’d guess that with the strength of the magnet, you’d risk damaging the cards.
Sorry, there was a problem. Please try again later.I attached the magnetic plate to a business card, put it in closest to the magnetic plate on the holder, then put my credit card behind it. Works like a charm and no magnetic plate stuck to my phone or case! No erased credit cards. I've done this over a year and no problems.
Sorry, there was a problem. Please try again later.I don't know, but I would check with your credit card customer service to ask that question.
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