Size M, but fits like a size 9. Purchased new for around 30,000 yen and only worn once for a second party. The included corsage is also included. Please check the photos for approximate sizes. Please understand that this is a used item. For weddings, dresses, guest dresses, party dresses, Elegant dresses, ceremony dresses, dinners, outfits for special occasions, second parties, etc. Vino Stella