Possible Clues:

• Delicate, like a doily
• Delicate, like a teacup
• Small and pretty, daughter isn't ugly ultimately
• Sweet daughter is not with Yankee
• Genteel
• Elegant
• Case of dirty clothing isn't nice
• International in twenty-four hours? Piece of cake!
• International in time becomes choice
• Delicacy isn't commonly found in dirty casing