Seal extra-large bags with maximum precision using this industrial-grade 400mm (16-inch) manual impulse sealer. Perfect for large-scale packaging, dry foods storage, bulk chemical bags, and wide polythene tubes. It provides an immediate, airtight, and watertight seal with zero warm-up time required.Seal extra-large bags with maximum precision using this industrial-grade 400mm (16-inch) manual impulse sealer. Perfect for large-scale packaging, dry foods storage, bulk chemical bags, and wide polythene tubes. It provides an immediate, airtight, and watertight seal with zero warm-up time required.