... bag, it can blow and print at the same time with printing in both sides, the material is HDPE, LDPE, dissoluble plastic and ... blow HDPE and LDPE, blowing and printing at the same time, or single blowing and single printing);2. Advanced structure, easy operation, ... line machines:a. Bright color, strong fastness;b. Blowing and printing at the same time, exact overprint;c. Easy maintenance, reliable and ...