Blouse with sleeves : 

Base product will be provided with sleeve as shown in picture & corresponding sleeve length as per size chart, hence don't select this sleeves ADD ON.

But If further more extra sleeve length is required select this ADD ON. 

Sleeveless / Short sleeve Blouse:

Base product will be provided with sleeveless or short sleeve as shown in picture. hence don't select this sleeves ADD ON.

But If further more extra sleeve length is required select this ADD ON. 

Size : select sleeve length as per options/pattern or blouse size chart

Sleeve picture show is tentative one