Material: Dlife card case wallet is made of premium aluminium and leather. Outer leather offers comfort to the hand and pocket, and inside steel provides ultimate protection and privacy for your cards (RFID Blockage). The wallets are sturdy, well made. Wallet Dimension: 3.9"L x 2.8"W x 0.6"H Safety, Privacy and Security: Dlife RFID blocking pop up credit card holder wallet can perfectly block unwanted RFID scanners, includes RFID blocking technology to prevent unauthorized access to personal information, Protect your RFID Credit Cards, Debit Cards, ID Cards from electronic pick pocketing. It is very secure and is perfect for travel Very slim and nice looking: Just 16mm flat. Fashion thin design make card holder looks more elegant and vintage. It includes a metal case compartment with pop up button that can holds about 5-6 cards, plus has 2 additional pockets in the wallet that could be used for other cards ( driver's license, insurance card etc), and a compartment for holding little cash or bills. This little wallet holds everything you need! It makes life easier Smart Design: Different form other credit card wallet, Dlife wallet with the convenient Side Slide Trigger function all cards slide out gradually, makes it so easy to find which card you're looking for. The cards will not fall out and is a perfect mens smart wallet. No problem to keep it in your front / back pocket. No breaking, no bending Practical Wallet: Nice for daily use, travel, trip, shopping, high quality and reasonable price also great as gift for friends, family. Your friends and family will love Dlife elegant, durable, convenient leather wallet