... 3)bottom: square or gusset 4)Usage:cement,salt etc kraft paper cement bag1) Usage: storage and packaging2) Material ... 18x18 can be customizedDenier600D to 1500DWeights/ m²65g/ m² -80g/ m² white color or transparent pp materialTreatUV treated ... flour, grain, salt, sugar, fertilizer, sand, cement, animal food, food staff, construction material, powder and ... customers' requirements kraft paper cement bag