Step 3: Start Sewing
Begin at the top.
Taking your two sheets of fabric with the true outside (what you want to see) facing each other, sew the top together.
Next: Sew the sides together to the fold spot for the flap/utensil tuck.
Tip: cut the corners so when you flip in "inside out" (rather outside out really), the corners will come together flatter.
After you've sewn the top and side edges, iron everything flat.