A: Sometimes loose, sometimes tighter (with more puff): With the help of narrow grosgrain ribbons, the sleeves of this blouse can be varied as you wish. The model is closed at the back with a single button. B: This casually elegant top with a bateau neckline is perfectly harmonized to the proportions of petite women. Witty detail: applied grosgrain ribbon tied into bows on the sleeves.. Fabric Requirements Blouse fabrics Length sizes 17, 18, 19, 20, 21 Back length about 62 cm (24 1/2 ins)