The last package that I received was a shoe box (size 11) FULL of scrapbooking stuff...and it cost her $12.00 to ship. This top would be MUCH smaller and lighter, I would assume $3.00 - $5.00 or so.
I have nothing to measure it with. :( I'm sorry! This was my mothers though, and she wears anything from large-xlarge if that helps. I wish I could tell you more about it.