I've told to make it obvious that when I post things like this, that I make it clear whether things are things that I saw on ebay, or whether it is me selling them.

THIS IS NOT MINE!! I SAW IT ON EBAY!! (Clear enough?)

Anyway, this is the item:
http://cgi.ebay.co.uk/US-MARINE-MILITARY-ALICE-PACK-FRAME_W0QQitemZ320442845101QQcmdZViewItemQQptZUK_Collectables_Militaria_LE?hash=item4a9be1c7ad

They are also available on this site:
http://4-star-military-surplus.amazonwebstore.com/LC-1-A.L.I.C.E.-Pack-FrameMilSpec/M/B000E792KS.htm?traffic_src=GB&utm_medium=organic&utm_source=GB&id=uk