Size 2 but easily fits 0, 24” waist. Only worn a couple of times; excellent condition. Includes belt. From product description: Crafted from smooth stretch ponte, this polished shirt-dress features a slimming belted waist and princess seams that ensure a feminine fit. point collar long sleeves with sewn cuffs pull on construction falls approx. 23" from the natural waist shell: rayon/nylon/spandex; collar: cotton/spandex dry clean