... rice, food addiitiveSize: length, 400-990mm; width, 280-600mm; bottom width, 45-52mmStructure: 1-6 layers--Straight tube; T-style ... with square bottom; M-style with gusset;--No sewing, no pullution, completely ... for filling, sealing and suitable for proudction line operation.--Flat stacking and excellent apprearance for convenient storage; qualified environmental ...