[ IMPROVED-DESIGN & Compact ]: (8+8 slots) 8 slots for SD SDHC SDXC Cards + 8 slos for Micro SD TF cards / Black . | [ SNUGLY-FIT ]: Due to the weatherproof-TPU-plastic & tailor-made slot, the memory card holder snugly keeps cards in place, easy in & out. | [ WATERPROOF & DUSTPROOF ]: High-quality seal strip secures cards in the box from water, dust, debris. | [ SHATTERPROOF EXTERIOR]: With durable ABS exterior, it is a great protective sd card carrying case. | [ SECURE SNAP-ON LOCKING SYSTEM : Duable, Secure, easy lock/open card organizer.