She's Back! Our best selling Serena is back by popular demand! She looks small but is mighty. When you open the magnet closure flap, it will open like an accordion, offering 3 compartments for great organizations. With a detachable strap, you can use this as a wallet or crossbody. 4.5x8x1 Long Detachable Crossbody Strap RFID protected Card Slot Accordion Style Opening Magnet Snap Closure Vegan Leather