The bulletin board is made of light brown cork and the border of the board is made of bamboo. Sticky notes are put on it.
Role in episode
SpongeBob pulls out a cork board that Mr. Krabs previously used to display all of his "memos." It soon becomes a popular place to write reviews about the Krusty Krab. However, people start to bully each other using the board, mainly by P-Star7. When it starts gathering negative reviews about the restaurant, Mr. Krabs destroys the board because it is losing him money.