25Kg stereo bag
Square bottom bag or paper bag valve port opening, the Canadian imports of white paper; the inner layer is made of imported Russian yellow paper; can also be made of three layers of 80g Russian imports of kraft paper; kraft paper with high strength, good toughness; and in which a layer of paper inside painted waterproof membrane waterproof moisture-proof; from water. Square bottom opening bag using the traditional way of canned machinery, after filling the upper can suture, stacking neat, beautiful; green packaging products; packaging products: pigments, dyes applicable, starch, flour, food additives, plastics, chemical products, such as carbon black;