| 摘要 |
PROBLEM TO BE SOLVED: To provide a packaging bag which fixes a content and has a cushioning property, and has a good adhesive property in a seal portion.SOLUTION: In a packaging bag 100 in which a base material sheet having a sealant layer in an innermost layer is overlapped in such a manner that the base material sheet is opposed each other with the sealant layer positioned inside, and a peripheral edge part thereof is sealed, whereby a content storage part 14 is formed, a foam sheet 3 is bonded onto a surface of the sealant layer of the content storage part 14, the foam sheet 3 is so configured that a planar back film is bonded onto a bottom surface of a convex projection of an embossed film which is provided with plural convex projections, and an air bubble is formed in the convex projection.SELECTED DRAWING: Figure 1 |
