INSURE INFORMATION SAFETY: blocking protection design, keep your private information and credit card away from thieves' scanning devices, insure your private property more safety. √ EASY TO USE: Push button on the bottom, all cards slid out so you can easily to pick it out in slim card holder. keep the card holder full of cards all the time to avoid sliding out by mistake. Fits various types of card: credit card and bank card. √BEST MINIMALIST WALLET: With the mini size:3.7x 2.3 x 0.3 inches so slim that you can put it in your front pocket, skinny jeans or a small purse. According to thickness of your credit cards, it was designed for up to hold 7 cards. (hold up to 5 embossed cards or up to 7 flat cards ) √STURDY AND DURABLE: Made of premium aviation aluminum materials. The soft arched inner edges protect your cards from falling out. High strength metal body protect your cards from physical damage and ensures long service life.