This is a very cute vintage 1950's Summer dress by Henry Lee.  A fine soft cotton. Pale green, pale olive, light lime and white.  Back metal zipper, matching belt.  Some minor issues:  the zipper is missing the pully, some loose stitching on the waist.  Please refer to the photos. 

M.  bust 38 inches, waist 26 inches, hips 50+ inches.  shoulder to hem 38 inches. Shoulder to waist 16 inches.    

Please contact me if you have questions.