Very good condition neoair XTherm in a regular mummy size, with the twist valve (not newer wing nut).  Weighs 15.1oz without stuff sack.  Used 5-10 nights.  Never had any integrity issues: no patches or holes or deflation problems.  Light dirt marks on top, see picture.  Includes stuff sack and inflation bag.

$125 shipped CONUS PAYPAL G&S