# Who do plastic bags help worn credit cards to scan?

**URL:** <https://boards.straightdope.com/t/who-do-plastic-bags-help-worn-credit-cards-to-scan/180743>\
**Category:** Factual Questions\
**Created:** [June 9, 2003, 11:46pm UTC](https://boards.straightdope.com/t/who-do-plastic-bags-help-worn-credit-cards-to-scan/180743 "2003-06-09T23:46:10Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Kid\_Gilligan](https://avatars.discourse-cdn.com/v4/letter/k/b19c9b/32.png) [@Kid\_Gilligan](https://boards.straightdope.com/u/Kid_Gilligan)\
**Post date:** [June 9, 2003, 11:46pm UTC](https://boards.straightdope.com/t/who-do-plastic-bags-help-worn-credit-cards-to-scan/180743/1 "2003-06-09T23:46:10Z")

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[This post answered this question, but it did not sound quite definitive.](http://boards.straightdope.com/sdmb/showthread.php?threadid=127253&highlight=credit+card+plastic+magnetic) Since it is almost a year old now, I thought possibly some brilliant doper might have a more authoritative answer.