... flood prevention bag, beach mat, woven sheet, woven roll, woven fabric, leno mesh bag, window screen, woven sack, pp sack, garbage ... micron.11)Top: lock stitch, heat sealed edge, hemmed, heat cut zigzag, with a rope.12)Bottom: chain stitch, double folded, single ... folded, sindle stitch, double stitches.13)all kinds of plastic bags ...