Portable bag making tight sealing, to prevent leaking of items, with a new production, in line with national standards, its compact design, convenient hang pull access.Portable vest bag features: 1, low carbon environmental safety: public welfare, not containing toluene, non-toxic and healthier. 2, custom: low cost compared with other similar products cheaper. 3, material and printing color changeable: meet the different requirements of customers (business LOGO and other information can be printed with the publicity and promotion).4, volume light weight: propaganda plastic bags which can be reused for longer.