zipped file 1.material:PP 2.PP cover 3.assembling zipped file1) a2 document bag,zipper document bag with clips2) Top: Heat-cut or hemmed 3) Bottom: Single fold or double fold, single or double stitches sewing 4) Printing: One side or both sides, in various colors 5 Moisture protection: PE inner liner protects contents from bad weather and water 6) Widely used for holding animal food, fertilizers, ...