1)Food grade material 2)Customized styles,designs are welcome 3)Can be with zipper and tear notch Coffee bags:1. Customized structure, size, style and printing designs are welcome.2. Material: PET/PE,PET/PET/PE,PET/AL/PE,OPP/CPP, etc.3. Style: The style can be bottom gusset, side gusset, three-side sealed, sealed in the back corner, sealed in the back center, etc.4. Printing: Good quality, high ...