Makes excellent air & water tight seals on materials like Laminated Aluminium Pouches., Laminated bopp, Polyester Poly bags, etc. It gives a multi-track type seal on the pouch. These Pouch sealing Machines are manual and Easy to Operate. Simply place a bag between the sealing bars, press down and release. Hot bar sealers come with different widths that seal different thicknesses of plastic like 5mm, 10mm, 15mm. Standard Model comes with 10 mm wide seal.