The model ZY-FB9-12 Portable Bag Sewing Machine Features: 1.Special safety handle 2.Automatic trimming 3.Effective technological revolution 4.Powerful high-pressure automatic refueling system 5. Rotation with low voice 6. Maintenance with low cost 7.Suitable for paper bag, jute bag, plastic woven bag, flour bags, cotton bags, PP & PE bags. Etc.