This combo pack contains one DiMeCard-SD and one DiMeCard micro8 memory card holder. The DiMeCard-SD stores 2 full size SD cards or SD/microSD card adapters and 4 microSD cards or 6 microSD cards if SD/ microSD adapters (not supplied) are used. The DiMeCard micro8 stores 8 microSD cards. They are both durable memory card holders and slip comfortably into wallet, purse or pocket. Together they store up to 3.4 Terabytes (3,424 Gigabytes) depending on the size of your memory cards. Memory cards are held firmly in place, optionally attach to lanyard (not supplied). Ideal for use with SD and microSD compatible mobile phones, tablet PC's & laptops, cameras, camcorders, games consoles, etc. Allows you to keep all your photos, videos, movies, emails with you off-line. No need to leave pictures or valuable data in your camera, phone or PC, carry it with you on-person. Card holder body made in one piece moulded ABS plastic. Sprung detent positively locks cards in place. Please note these holders do NOT accommodate SIM or micro SIM cards. *** ALSO AVAILABLE SEPARATELY ON AMAZON in white and red and in multi packs, search DIMECARD ***