RFID Card Case In 1989, our designer, Min Chiu, started making her hand-crafted gift items from her basement in Troy, Michigan, which she sold at craft shows throughout the state. Today her designs are sold in many galleries around the country. An Accordion-style credit card holders with RFID protection. - Easy to open and close with a kiss clasp. The pleated slots can hold 8-10 cards. Crafted from synthetic brocade, fully lined. 4 1/2" x 2 3/4" x 5/8"