This is the best option for organizing MicroSD cards. I write the serial number on the cards in two places as shown in the picture. I then use the P-touch label printer to create a 1/2 inch label with the order number, size and contents of the card. The DiMeCard in the picture is for my laptop, another DiMeCard that has my Raspberry Pi pictures on it. The DiMeCard holds MicroSD cards securely and is still easy to remove with a fingernail.
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