... is High quality Woven polypropylene1, Growing in this bag,the trees can cut off its long roots by ... during transporting.4,carbohydrate gather into the grow bag, which will make the trees grow lushly.5 ... packing cost,when transplanting, or transporting, this grow bag can be acted as the packing for roots, ... also save cost of the human resource.the bag contains 4 handles ears.---save the transplanting cost, ...