This is very nice too, good design, lots of colors:
http://www.davidstea.com/stainless-t...3E5CAE3F&DEID=
Note this company is in Canada - for non-Canadians, use a card without a foreign exchange fee.
For TSA, I used to take the top off of empty containers, put the top in my pocket or separate from the jar/bottle so that it was obvious there was not any liquid at all.