SIM and MicroSD Card Holder - Holds 4 SIM Cards (1 Micro 1 Nano), 2 MicroSD Cards. Comes with MicroSD to USB Adapter Card Sized - Fit all your SIM Cards and MicroSD Cards in this card sized tool and slip it into your wallet or purse. All SIM Cards - Has 2 Standard SIM slots, 1 Micro Sim Slot, 1 Nano Sim Slot SIM Card Adapters - Comes with Micro / Nano to Standard SIM Adapter, Nano to Micro SIM Adapter, MicroSD to USB Adapter Card Sized Tool - Side Rulers (2.5 inches on one side, 7 centimeters on the other), 1 Ejector Pin Convenient - MicroSD Cards and SIM Cards are small and easily lost. Never struggle with finding your SIM / MicroSD cards again with this handy credit card sized organizer.