... 4.best service 5.OEM or ODM is acceptance item drawstring bag sling bagmaterialpolyesterMOQ500 pcsfeatures1.plain ,fashion, new design2.change on size ... two sides or more, which affect the unit price of hot transfer printing.3,Usage.shopping, gift packaging, promotion,advertising, ... s up to you6, what materials do you need for eco-friendly bag?600D polyester, 800D polyester, 1680D polyester, 210D nylon, ...