Dark blue leather bi-fold card case, convenient with a ring. - Color: Dark navy (close to black) - Material: Cowhide leather - Design: Bi-fold, with a ring - Style: Simple Thank you for viewing. Size: Approximately 10.5 x 7.0 (cm) Thickness: Approximately 7 (mm) Color: Dark blue This is a simple, hand-stitched card case made of cowhide leather. Inside, there are left and right pockets (each holding about 3 cards) and a key ring. It's designed to fit easily into small bags and pockets, making it very convenient. I hope you'll enjoy the feeling of it becoming familiar to your hand as you use it. This is a handmade item. It's carefully made from cutting to stitching, but since it's made by an amateur, the techniques in the details are not perfect, so please consider purchasing with this in mind.