What was Sabrina the teenage witch fat suit in pancake madness made of?

In the "Sabrina the Teenage Witch" episode titled "Pancake Madness," Sabrina's fat suit was made of a combination of foam and other materials designed to create a humorous, exaggerated appearance. The suit was part of a comedic plot where Sabrina temporarily gained weight due to a magical mishap. The use of such a suit was common in sitcoms to achieve a visual gag while maintaining a lighthearted tone.