Elegant White Lace Bridal Gown Vintage 60s, 70s IGLWU wedding dress

I don't know the exact size. Measurements were taken while garment was flat: Pit to pit is 16 inches 12.5” inch waist (flat) From shoulder to bottom or front hem is 54 From shoulder to bottom back hem is 66” inches inches I believe this is polyester. When I washed it, the zipper got caught and tore a little in the front of the dress, as shown in the last photo. It's not very noticeable because it has two fabric panels, and only the top one was scratched. the closure closes well