1,GK35-2S heavy duty big bag sewing machine 2.sewing ability ... and down the bag 4,plain upper feed 1,GK35-2S heavy duty big bag sewing machine2.sewing ability 18mm3,can ... attach filling up and down the bag4,plain upper feedGK35-2S One-Needle Double-Thread Bag closing sewing Machine For Closing ... Thread20/6,20/9 Synthetic Fibre ThreadStitch Type401Net Weight27kg GK35-2S heavy duty big bag sewing machine