NWT. Zipper with great closure in back of top. This top is so cute. Would be perfect for a special night out, a party….think about New Year’s Eve! Measurements: Pit to pit is 17” Middle of top in the front is 11 and 1/4” The two points in front are 13” The back of top in middle at zipper is 10 and 1/2” The material is soft and stretches some with the polyester and elastane fabric. If you have any questions please do not hesitate to ask me. No smoking/Pet friendly home.