Nearly new dress

Zips up in back, absolutely beautiful dress. Lining around chest area and less than half at the bottom. Lace and with a split at the bottom. Please ask any questions you may have before buying. I don't know what the material is. Smoke free and pet free home. Thank you. Pit to arm pit 15in, waist 14 1/2 in. Top to bottom of dress is 51in. All measurements are approximately but close.