This is a pretty polyester blouse by Umgee. It has a little snap closure at the neckline. This has a relaxed fit. I am 5’4” 150 pounds with a 38D bust line. I am wearing the small. If you carry weight in your booty area size up. 
S-2X
S 4/6/8
M 8/10
L 10/12
XL 14/16
1X 18/20
2X 20/22
 
           
           
             
             
             
             
             
             
               
               
               
               
               
               
             
             
            