One World brand dress- 94% Polyester & 6% Spandex Slinky feel material. Sleeveless. Gathered at the bust with silver rivet accents. Elastic at the rear waistline for all day comfort and perfect fit. 15 inches flat across at bust (unstretched 12 1/2 inches flat across above waistline (unstretched) Beautiful addition to your wardrobe. Great, pre-owned condition. Thank you for visiting my closet. Happy Poshing!!