... main products line is the heat seal tea bag, seam side tea bag and pyramid tea bags, including the hard pyramid ... choice.Quick details in the sheet as fellows.Product NameSeam side tea bagModel NO.TB401ShapeSquare&RectangleMaterialFood grade Nylon meshSize(1) 5 ... )Or L/C at sightCertification:HACCP, QS, etc.The seam side tea bag is made of food grade nylon mesh, which ...