| 摘要 |
A heatable package bag includes two sheets of outer film, a plurality of projections, a plurality of guiding channels and a plurality of pre-breakage portions, where the two sheets of outer film includes a plurality of inner surfaces, a storage space is formed among the plurality of inner surfaces, adapted to receive an article; the plurality of projections is positioned on the plurality of inner surfaces, adapted to support the surface of the article; the guiding channels are positioned among the projections, the air in the storage space flows along the guiding channels; and the pre-breakage portions are positioned on the guiding channels. The air in the storage space is expanded to compress the two sheets of outer film during heating, and the plurality of pre-breakage portions is broken, allowing the air to flow out of the storage space via the plurality of pre-breakage portions.
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