A package bag

Abstract

The invention discloses a package bag comprises a package bag body and at least a film, at least a through hole disposed on the top of the package bag body, and the film with waterproof and air permeability is attached on a surface of the through hole. The package bag of the invention has good waterproof performance and air permeability performance to keep clean and dry inside the package bag even at high temperature environment, and effectively protects products inside the package bag.

What is claimed is: 
     
         1 . A package bag, comprising a package bag body and at least a film, at least one through hole is disposed on the top of the package bag body, and the film with waterproof and air permeability is attached on a surface of the through hole. 
     
     
         2 . The package bag according to  claim 1 , wherein, the package bag body is manufactured with polyethylene material. 
     
     
         3 . The package bag according to  claim 2 , wherein, the film includes a first film layer, and the first film layer is made of foaming polyurethane material. 
     
     
         4 . The package bag according to  claim 3 , wherein, the film includes more than one mentioned first film layers and a dry layer disposed between two layers of the first film layers. 
     
     
         5 . The package bag according to  claim 4 , wherein, the dry layer is a moisture-proof sheet. 
     
     
         6 . The package bag according to  claim 4 , wherein, the dry layer is active carbon. 
     
     
         7 . The package bag according to  claim 1 , wherein, the film is attached on one inside surface of the package bag body. 
     
     
         8 . The package bag according to  claim 1 , wherein, the film is attached on a side of the package bag body, and the area of the side is smaller than those of other sides. 
     
     
         9 . The package bag according to  claim 2 , wherein, the film is attached on a side of the package bag body, and the area of the side is smaller than those of other sides. 
     
     
         10 . The package bag according to  claim 3 , wherein, the film is attached on a side of the package bag body, and the area of the side is smaller than those of other sides. 
     
     
         11 . The package bag according to  claim 2 , wherein, the film includes a first film layer, and the first film layer is made of Polytetrafluoroethene (PTFE) material. 
     
     
         12 . The package bag according to  claim 11 , wherein, the film includes more than one mentioned first film layers and a dry layer disposed between two layers of the first film layers. 
     
     
         13 . The package bag according to  claim 12 , wherein, the dry layer is a moisture-proof sheet. 
     
     
         14 . The package bag according to  claim 12 , wherein, the dry layer is active carbon. 
     
     
         15 . The package bag according to  claim 11 , wherein, the film is attached on one inside surface of the package bag body. 
     
     
         16 . The package bag according to  claim 11 , wherein, the film is attached on a side of the package bag body, and the area of the side is smaller than those of other sides.