canon L series 70mm-200mm THERMOS!!!

http://gizmodo.com/5485401/greatest-schwag-in-the-history-of-schwagginess-the-canon-lens-thermos

EDIT: now you can pre-order one here!

http://www.vistek.ca/store/CameraLenses/248866/canon-canon-thermal-travel-mug-ef-70200-f40-l-usm-lens.aspx