WNS-200D is a table-top direct heat sealer that can seal many different types of thermoplastic materials including aluminum foil, Kraft paper, cellophane, mylar, polypropylene, poly-nylon and other thicker materials. Please note: direct heat sealers cannot seal polyethylene. Material up to 8" wide and 20 mil thick can be sealed. The sealer is equipped with a digital control panel to guarantee consistent and reliable sealing. Sealing bars are enclosed with heat resistant plastic bars for safer operation.