Due to their size, SD and micro SD cards are particularly easy to get lost. Especially when you are out and about and want to exchange a full card for an empty one - for example on vacation. Once you are only inattentive for a very short time and the card with the holiday pictures fell out of your pocket, never to be seen again. We absolutely want to avoid this problem. This is why we at Rollei now have a card holder in our range that can accommodate 12 SD cards or 24 micro SD cards. This way, the item you need to keep in view is enlarged to roughly the size of a credit card. Your cards in the case are also much better organized overall. Means that they each have a fixed position and that you can see at a glance which card may not have been used. But not only the organization of your cards is an advantage of this case. Because the card holder is made of plastic and rubber, it can also withstand the effects of water and dust, but also impact - your cards are well protected. *The case