Vintage Cotton short sleeve Summer Dresses Circa 1965. Size 3 please check below

Vintage lightweight white cotton summer short sleeve dresses. Circa 1965 from personal collection. Good pre loved condition. 1 has Green and brown stitching the second pink and blue. Button closure on the back. They are exactly the same I’m not sure if the size, please see measurements: Length: 15” Width: 19” Hem: 1.75” Underarm to Underarm: 12” #149