No thread amount or gauge is given.

The hook is #7 steel.

Additional materials: two snaps

Construction: The dress is made top down in one piece, seamed up the front, leaving a placket at the top. Snap closure at the neck. The belt is made separately and is not attached to the dress; it fastens with a snap.

Sized for a Barbie-type doll with the 1960s figure: 5.5”/3.125”/5”. The fit may vary on modern dolls.