Choose to make whatever size you wish....but be warned, you will want to make more than 1!
 
Materials required for 1 purse
Materials:
Main outer fabric – 1 fat quarter
Lining fabric (the bit you see through the vinyl) – 1 fat quarter
Fusible fleece (H640) – ¼ metre
Fusible interfacing (F220) – ¼ metre
Clear vinyl - ¼ metre
Zip (2” wider than your chosen purse width)
Matching thread
Wonder Clips
Sewline glue pen (optional)