Sim Card Adapters / Storage + Micro SD storage + Micro SD Card Reader + Sim Release Pin in Credit Card Size SIM CARD HOLDER for 2 Full-Size Sim Cards, 1 Micro Sim Card, 1 Nano Sim Card SIM CARD ADAPTER for Nano to Micro Sim, Nano to Full Sim and Micro to Full Sim STORAGE SPACE for 2 Micro SD Cards, INCLUDING USB Micro SD Card Reader SIM PIN for release of SIM cards in iPhone ULTRA THIN, Easy to take in Credit Card pocket, Never loose Sim Card anymore