Card holder by Herschel Supply Co, Leather outer, RFID protection lining, Prevents card fraud and identity theft, Debossed logo, Multiple compartments, Wipe with a damp cloth, 100% Real Leather, H: 8cm/3.5 W: 10.5cm/4. Herschel Supply Co produces quality built backpacks inspired by vintage mountaineering equipment, American heritage and world travel. With a passion for individuality and personal style, Herschel Supply Co adapts to a new generation updating their bags with a modern fit, shape and feel.