... .5L,5.5L,6.8L 2,Material:304 or 201 stainless steel Vacuum PotPRODUCT BENEFITS:* The Vacuum Cooker consists of a double ... insulated pot spec.: stainless steel exterior & interior; plastic lid and base.* Inner pot spec.: 18/8 stainless steel, triple-layer base, glass lid. Stainless Steel Vacuum Pot