MATERIAL: * Body: aluminum * Pressure pad: Silicone rubberMAX SEAL THICKNESS: * 12 mil refers to 2 pieces of 6 mil material sealed together.CAN SEAL: * Up to 1/8" thick foam. * Mylar, polypropylene, static shielding, nylon, polyethylene, & polyurethane bags. - Airtight Seal: * Metallized 2.5 mil polypropylene bags Ex: S-11660 Open End Food Bag - No Airtight Seal: * Cellophane * 3/16 and 5/16" bubbleCAN'T SEAL: * Vinyl bagsHEATING ELEMENT: * Heating Element: Sold only with the service kit. * Composition: 80% nickel, 20% chromiumSERVICE KIT INSTALLATION: * The teflon tape goes under the element; the teflon cover above the element. * Width of teflon tape is 3/8".SEALER INCLUDES: * 2 elements, 2 covers, & 1 blade.OTHER INFORMATION: * Wattage is not adjustable. * Cuts 1/4" above the seal. * Two eyelets. * Cutter may have a wax coating that needs to be removed before use.