Square bottom paper bag, food grade square bottom paper bag, 25 kg food grade square bottom paper bag

Square bottom opening pocket: also known as: end of the spacious pockets. Surface material: natural color, white or stretch of kraft paper. Inner material: natural color, white kraft paper or kraft paper stretch. Additional material: You can add pp, pe moisture-proof film. It is a balance between the traditional ideas and advanced the idea of ??bags, square bottom of the bag, so that the overall effect of the bag can be comparable with the end of the valve pockets; flat mouth opening, the same open end of the pocket and seam sealed packaging, suitable to The traditional way of sewing seal, middle of the paper can add a layer of plastic film for packaging needs moisture-proof products that can handle food inspection, general inspection, commodity inspection and other risk package.