This business card case aluminum card holder with high quality aluminum materials and Environmentally friendly plastic(ABS) clasp closure,blocking protection from all RFID scanners and readers.Most RFID blocking hard shell aluma wallets can NOT block 125KHz signals. But Elfish metal id cases are able to Block both 13.56 MHz and 148KHz Signals. Don't give thieves any chance.your Bank Debit,ID,ATM Cards be protected all the time.Slim, thin, small Aluma ID case fit in your front pocket, it is perfect for traveling with the necessities.Business appearance and feeling will help you leave a good first impression on your clients, associates, and entrepreneurs.Latches safely and securely when not in use. Rounded corner wouldn't damage on your clothes. With 7 accordion Slots, Capacity for up to more than 9 credit cards or more than 43 business cards.We know you'll love our case, that's why if you aren't 123 percent satisfied we will provide you with a refund or a replacement. Product description 1. Elfish super cute card holder effortless clicking latch shuts securely and opens with a simple push. 2. Rounded corners are comfortable for carrying in pocket . RFID signal blocker prevents thieves from accessing your valuable information must have for business and travel. High quality material: Premium aluminum and ABS plastic card protector maintains shine through use. Daily and travelling use is very suitable,lightweight,high-capacity,easy to carry. Effortless clicking latch shuts securely and opens with a simple push; rounded corners are comfortable for carrying in pocket. Different styles show different elegance!