Holds up to 3 cell phone SIM cards?? 4 micro SD cards?? and one standard "cro SD to SD card adapter</br>Positive locking feature?? independent tab for each SIM Card?? microSD card?? AND SD Card Adapter</br>SIM cards and SD Cards are inserted with the electrical contacts fully protected</br>Size and shape of a credit card making it easy to carry around</br>See also SDcardholders for standard SD?? Micro SD cards?? and DS Gamepac for Ninento games</br></br>Product Description</br></br>This product is targeted to world travelers. If you are in Europe or Asia you will likely want to carry multiple SIM cards for your cell phone. This is the way to travel in style with a compact?? safe and secure way to handle your SIM cards without dropping them. SIM cards?? SD cards and adapter not included.</br><br/>http://www.amazon.com/gp/product/B004HK3KN8ss