Abstract: A method of manufacture and an adhesive patch vent is provided for application to a flexible packaging material. A fabric material has an adhesive applied to its surface. The adhesive being applied to outer portions of the fabric material where a central portion is adhesive free. The adhesive patch vent is applied to an interior of a flexible package material where the adhesive free portion aligns with a perforation in the flexible package material. The adhesive vent patch enables air to be expelled from a package but is resistant to damage to the exterior of the bag. In addition a food grade oil resistant adhesive is utilized.