| CPC B65D 81/2023 (2013.01) [B65D 33/04 (2013.01); B65D 33/2508 (2013.01)] | 12 Claims |

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1. A compression bag, comprising a bag body, a sealing strip, and a one-way valve, wherein two sides of the bag body are respectively folded inwardly to form folding portions; portions between the folding portions respectively form bag sheets; two ends of the bag body are sealed; an edge of at least one end of the bag body is thermocompression-sealed; an elongated hole and a valve hole are formed in the bag body; the sealing strip is fixedly provided in the elongated hole, and is configured to selectively open or seal the elongated hole; the one-way valve is fixedly provided in the valve hole; and the one-way valve allows unidirectional flow from inside to outside, ensuring that a fluid in the compression bag is discharged through the valve hole.
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