Did you know that this thing exists?. Me neither until this morning. I usually store the MicroSD together with wires and practically form an ecosystem in the second drawer of my desk. I just wanted to leave a list of links where you can buy them...
Link: Amazon > sd card holder list
Link: dimedium.com > DiMeCard micro8 microSD Card Holder For Consumers
Buy: Amazon > 22 Slots SD SDHC MMC CF Micro SD Memory Card Case Holder Pouch Zippered Storage Bag (Purple)
Buy: aliexpress.com > 28in1 Card game TF SD MS CF
Link: aliexpress.com > microsd-card-holder list