courier bag productwith bottom gusset. We only need to use ordinary Kraft paper on this machine.There have to be a cross width code mark which size is 5x40mm, please propose if you canït print it; ( We can equip a set of online stamp unit. There are ten stamps in total, six of them are used to make the positioning mark of bag width, three will install on the machine and the other three send together with the spare parts; and the rest four are used to stamp the company information, two will install on the machine and the other two send together with the spare parts.
2.The glue forsecondtime heat seal after folding must be non-sticky twice opening glue after cooling or air drying.