25kg kraft paper bags: including three layers of paper, four layers of paper, multiwall paper bags. Can use PP material pour a layer of film on the paper, which has the function of waterproofing; imported Russian yellow kraft paper or Canadian white kraft paper. Plus endometrium bag can be color offset printing. As the form of joint bottom openings, has the characteristics of environmental protection, health etc.. Multiwall kraft bag: kraft paper imports and domestic kraft paper, kraft paper and perfect composite material PP new material woven cloth, bags Neikejia PE plastic, completely composite food grade requirements. Can freely choose the suitable