What's the noun for jellybag? Here's the word you're looking for.
jelly
(New Zealand, Australia, Britain) A dessert made by boiling gelatine, sugar and some flavouring (often derived from fruit) and allowing it to set, known as "jello" in North America.
(Canada) A clear or translucent fruit preserve, made from fruit juice and set using either naturally occurring, or added, pectin. Known as "jam" in Commonwealth English.