This billfold pattern by Favorite Things can be made either as a bi-fold or a tri-fold wallet that has a snap closure, zippered coin pocket and 6 (bi-fold) or 9 (tri-fold) credit card slots. Finished size (folded) is 3 1/2 inches x 4 inches.
2 fat quarters or 1/2 yd fabric
1/6 yd interlining (thin cotton batting)
1 large snap
6 inch or 7 inch zipper