NIUNIU shielding material: Most cards use technology (Radio Frequency Identification), but now this technology has become more dangerous, and thieves can be in your shops, airports or crowded streets. This aluminum wallet can perfectly block unwanted scannersto ensure your card is safe and ideal for travel. Polished solid metal: Made of high-quality aluminum and stainless steel materials from top manufacturers, the shiny surface of the clip gives it a stylish and robust appearance, which is perfect for daily use 6 card slots: high-quality accordion design slot, convenient for your card in and out. Applicable to various types of cards: ID cards, credit cards, driving licenses, medical cards, etc. quantity of delivery:1 piece (Package contents: Only the above package contents, excluding other products.) size:9.6 cm * 6.5 cm * 1.3cm (Reminder: The size is measured manually, please allow 1-2 cm measurement error) color:silver colors (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)