They are packaged in red cans and picture a bowl containing the barnacle balls on the can. It is on a tan background that says "Swedish Barnacle Balls" in all caps and written in red. The food is red/brown and meaty. They can also be cooked or roasted and will become hot and steamy. The same materials that are used to create Swedish Barnacle Balls are also used to create Barnacle Loaf. Both products are owned and created by Barnacle Products Incorporated.
Role in episode
Squidward is offered marshmallows by SpongeBob and Patrick, but he decides to eat Swedish Barnacle Balls instead. However, his camping meal is unsuccessful, due to the fact that he has no can opener and SpongeBob and Patrick wouldn't let him go inside his house to get one. So he has to eat marshmallows instead.