1. Open zipper halfway. With right sides together, layer bag front and bag back, aligning edges; pin, making sure handle is tucked between bag front and bag back and not in seam line. Match lining pieces; pin.
2. With zipper still open halfway, sew together pieces, stitching across zipper ends and leaving a 3" opening in lining bottom for turning (Diagram 7). Trim excess zipper ends.
3. Turn bag right side out through opening in lining; hand-stitch opening closed.
4. Insert lining into bag and press to complete bag.