| 摘要 |
The present invention can effectively prevent the spoilage or deterioration of farm products in the heart of a sack while preventing the sack from sagging or the contents from breaking out of the sack due to the load of the contents when the ventilation sack made of a mesh is used. The ventilation sack which has a peripheral portion made of a mesh fabric and is sewn with reinforcing belts in the horizontal direction and the vertical direction. The ventilation sack includes: a plurality of support belts (30) which are arranged in the ventilation sack (10) and have one end sewn onto the reinforcing belts (16); and a hollow pocket (20) made of a mesh and arranged in the center of the internal space of the ventilation sack (10) by the support belts (20). |
