Thanks so much, everyone.
Ube - I sew deeper seams in the lining, with this bag probably a 3/8" seam (with a 1/4" seam on the exterior), with a quilted outer I go even deeper, probably closer to 1/2" so the lining isn't baggy.
Brenda, I got the fabrics from Hobby Lobby and Joann's so no collection as such, they just all worked together pretty well.