For all of Bordeaux canelés fans (among others) that use molds made of copper or aluminum, spray me seems absolutely ESSENTIAL to facilitate the release of the latter. Indeed, other methods (butter the molds / make a mixture of butter and beeswax) often work as very random, whereas with this bomb, the mold is guaranteed, I have never had the slightest concern.
The capacity is perfect, and the date of relatively long shelf life.