Originally Posted by GingerK

I've made necktie purses and the ties held up very well. You would have to be careful to check the fiber content of the ties. If they are silk, I don't think I would wash them--dry clean maybe. If the person wants the necktie shape preserved, you could still open them (and they usually have some sort of lining/stabilizer already) retain the shape and just add the seam allowance, then sew together as usual.