Fashionable Appearance Design: The exterior shell is made of all durable aluminum alloy, its surface has 3M adhesive matrix black skin for cool look and comfortable hand feeling | Accessible and Good Protection: The interior insert is made of quality high-density soft EVA foam, which organizes your cards well while protecting them from damages, scratches or losses | Easy Put in and Take out: The EVA foam slot fits cards perfectly (snug but not too tight), the hinge is with solid and secure construction | Flexible Combinations: You can customize this case to meet your needs, it is supplied with a set of 16 EVA foam inserts (8*NABO+8*SIM Card) | Slim, Lightweight & Travel-friendly size: Its weight is 0.8 and its size is 3.7 x 0.2 x 2.3 inches , Slipping easily into your pocket, hand bag or backpack, perfect for on the go travel

Material: Aluminium Case (Siver Color) | Inner Memory Foam slot | Compartment:6x SD memory cards inside | Dimension:3.7 x 2.4 x 0.4 inches | Attention: memory card are not included