Sorry, I'm in my pajamas already so no mod shots!
It measures, according to
ShopBop, 8.5"H x 13.5"L. It's not heavy at all.
I could fit my BlackBerry, LV zippy wallet, glasses and sunglasses in it. Having all that was a bit heavy though:
Here is how I put the items inside:

Even with the BlackBerry on top of the wallet, the magnet still mostly kept the clutch closed. Anything more would definitely be too bulky.
Clutch, empty:
Clutch, with my stuff inside:
Comparing the mini Rocco and the filled Jena: