10. Slide the exterior piece into your lining piece, lining up the raw edges and your seams. Pin it in place to sew. When sewing around the top edge you want to leave a 2” - 3” opening. I like to use either binding clips or different colored pins to mark my stopping and ending points. Be sure to back stitch at the beginning and end.
11. Pull the bag through the 3” opening so that it’s now right side out. Shape it, pushing the lining piece into the exterior piece. Press the top edge.