Bon-Bons are snacks in the episodes Mrs. Puff, You're Fired and Good Neighbors. They are eaten by a student and Squidward. Bon-Bons are part of the Sunday Relaxation Kit. Squidward uses them for his Sunday relaxation.
Bon-Bons come in a yellow box. They are presumably chocolates with chocolate icing on them. There are eight Bon-Bons in a box.