Packages with vent systems

A package comprising:

• an inner region;
• a sealing film, the sealing film being comprised of at least one layer of a film having an outer surface and an inner surface, the inner region of the package being hermetically sealed by at least a portion of the sealing film;
• and
• at least one weakened wall pattern scored into a portion of the outer surface of the sealing film, the weakened wall pattern having a thickness less than an unscored sealing film thickness, the inner surface adjacent to each wakened wall pattern being directly exposed to pressure generated in the inner region,
• wherein the weakened wall pattern forms a vent pattern having a vent pattern span that is the greater of a vent pattern length and a vent pattern width,
• wherein the inner region has an inner region span that is the greater of an inner region length and an inner region width,
• wherein the vent pattern span is from about 1% to about 50% of the inner region span.