The "Push Slide" RFID protection card case can perfectly block unwanted RFID scanners, includes RFID blocking technology to prevent unauthorized access to personal information, designed to block RFID readers from scanning your credit cards, debit cards, shopping and/or club cards, driver's license or ID card. Aluminum card case is very small and light, easy to carry for a day to day traveling or for business occasion, perfect for any cards you want. With a push all cards slide out gradually. The cards will not fall out, a perfect card case. No problem to keep it in your back pocket. No breaking, no bending which is can store 5-7 credit cards size cards or 15 business cards.