amscan Adult Ladies Professor McGonagall Costume Officially Licensed Harry Potter Outfit

Can the hat be folded to be fitted in a trolley (as hand luggage in a plane)?

What fabrics are they made of?

what items are included in this please? Is it the dress, cloak and hat too? Or is there also a wand?

Is this true to size? If the dress is a polyester type material is it a little giving?