Use this 20" wide heat sealer to seal your plastic bags or shrink film packaging. It is a lightweight, table top machine that is adjustable for different bag or film thicknesses. Creates a 2mm wide seal. Very easy to use. You just place your plastic bags, tubing, or shrink film between the bars and press down to make the seal. It is electric. 110V USUALLY SHIPS IN 1-2 DAYS.