●Prevents misplacing a small nanoSIM in your pocket, purse or purse and you have never been able to find it in your pocket? The lid closes securely to prevent loss of the nanoSIM that is small and easy to lose ●(Holds 24 nano SIM cards for travel and multiple smartphones) You can even use it when traveling to the sea or traveling to several countries. Holds up to 24 nanoSIM ●(Includes conversion adapter and stores out pins together) Includes 1 removal pin that is used to change SIM, and can store up to 2 pieces in the SIM card holder. Compatible with smartphones that use a size other than nanoSIM can also be used with the included conversion adapter. Converts nanoSIM to microSIM and standard SIM ●(High grade aluminum material, slim and easy to carry) Made of slim aluminum with a thickness of only 0.4 inch (10.8 mm). It is a business card size that can be used in small pockets of jackets or bags. (Anti-static EVA to protect your SIM: Even though the size is small, it is important for phone calls and internet connections. Adopts anti-static EVA sponge to protect your SIM card firmly and gently ●Conversion Adapter for Different SIM: Comes with 3 types of adapter that supports nano SIM to microSIM, nano SIM to standard SIM, microSIM to standard SIM. Comes with a film that prevents the SIM from falling out. Specifications: Aluminum (case portion), EVA (inner sponge) Size: Approx. 3.7 x 2.5 x 0.4 inches (93.2 x 64.0 x 10.8 mm). Weight: Approx. 1.1 oz (30 g). Color Variations: Black/Silver/Red/Blue