The style is pop party tops, fast fashion collection.
The blouse is with two layers, outer is with round sparkle sequins.
Size details (in Inches) as below: 

S -- Bust 36, Shoulder 15, Sleeve 12, Length 24,  

M -- Bust 38, Shoulder 16, Sleeve 12, Length 24.5,  

L -- Bust 40, Shoulder 16, Sleeve 12, Length 25,  

XL -- Bust 43, Shoulder 16.5, Sleeve 12.5, Length 25,  

XXL -- Bust 45, Shoulder 17, Sleeve 13, Length 25.5,  

3XL -- Bust 47, Shoulder 17, Sleeve 13, Length 26,  

4XL -- Bust 50, Shoulder 18, Sleeve 13, Length 26 .  

The size is actual, please check it carefully before placing orders.
Highly appreciate to buy a size UP for non- returning.