Paper Travelling Clean Bag

Paper bags are divided into inner bags in direct contact with products and outer packaging bags in indirect contact with products. The inner and outer packaging materials are divided into film coated paper, oil proof paper and kraft paper. Coated paper is a layer of food grade PE film compounded inside the paper bag, which is waterproof; Oil proof paper is a kind of paper with oil proof function, but it is not waterproof; Pure kraft paper is a non waterproof and non oil proof paper bag, which is divided into three styles: square bottom bag (which can be used to raise the bottom of the low mouth pointed bottom bag by hand). The paper bag printing process is water-based environmental protection ink flexographic printing (spot color printing) and offset printing (color printing).