A Matter of Size (, Sipur Gadol, lit: "A Big Story") is a 2009 Israeli comedy-drama film directed by Sharon Maymon and Erez Tadmor.
Herzl Mesika is an obese man who struggles unsuccessfully to lose weight. When he starts a new job in a Japanese restaurant he is introduced to the sport of Sumo wrestling. Herzl decides to use his weight to his advantage by founding Israel's first Sumo wrestling team of four.
The film was nominated for 2009 Ophir Awards in 13 categories an won won three of them: Best Actress (Irit Kaplan), Best Supporting Actress (Levana Finkelstein), and Costume Design ().
It was the Audience Award winner at the 2009 Karlovy Vary Film Festival