Conceal Plus Card Blocr ultra slim bifold wallet is made for the minimalist. We are confident in the design and features of our front pocket wallet. Our wallet holds your essentials for everyday carry with an Rfid protection card sleeve and inner pocket for cards cash andamp more. Card Blocr slim wallets for men or women come in an elegant gift box and make a great gift for a holiday, birthday, Father's day, or graduation. andnbsp. Best Slim Wallet - Card Blocr slim wallets a minimal wallet made of aerospace grade aluminum, features Rfid blocking technology. Slim Wallet Capacity – Card Blocr minimalist wallet card case can hold 4-6 credit card and debit cards (4 raised embossed credit cards up to 6 flat non-embossed credit cards). Please do not use with metal credit cards in card slots. Rfid Blocking Technology – Card Blocr minimalist wallets are an Rfid blocking slim wallet great for traveling to protect your credit and debit cards.