1/4 yard fabric (or two contrasting fabrics if you want the lining to be different from the outside)
snap pliers and snap (or other closure of your choice: velcro, button, etc)
basic sewing supplies
1. Cut a 9" x 8" rectangle from your main fabric and one from your lining fabric. Also cut a rectangle with an additional pointed edge from each fabric. The pointed edge pieces should measure 8" across and 11" from the tip of the point to the opposite edge (9" along the side). You should have 4 pieces: 2 rectangles (one lining, one main) and 2 pointed edge pieces (one lining, one main). Your pieces should look like this:
2. Line up your like-shaped pieces, right sides together. Pin around the edge. Stitch around the edge (1/2" seams), leaving a 2-inch gap somewhere along the long edge, backstitching both ends. Clip your corners, and turn your pieces right-side out. Press. You should have two pieces that look like this:
3. Take your rectangle piece with lining side up, and fold the bottom edge and top edge to meet in the middle as shown. It should measure approximately 4" top to bottom:
4. Take your pointed edge piece, lining side up, and fold the bottom up so that it is the same height as your other piece (approximately 4"):
5. Turn the piece from step 3 (the slot piece) over so that the slot is facing the table. Then place your piece from step 4 (the flap piece) on top of the slot piece, as shown.
6. Pin along each short edge. You're pinning through about 8 layers of fabric here. The front should look like this:
7. Apply your closure of choice to the flap, and you are done!