The glasses measure about 3 1/4 inches long. The lenses are about 1 1/4" by 5/8".
Here is a closer look at how they look on the Classic mold:
And the Josefina mold:
Both pairs fold up nicely.
The arms are connected to the frames with a screw on each side. I feel like the purple pair are a teeny bit crooked, but that might just be how they sit on my doll.
These glasses are cute accessories for my dolls' outfits and I am pleased with the quality of them!