DUAL WALL CONSTRUCTION ADHERING TO FDA GUIDELINES. 100% PURE 18-8 STAINLESS STEEL. FOAM INSULATED FOR OPTIMUM HEAT RETENTION. SPILL RESISTANT LID WITH A THUMB SLIDE CLOSURE & DOUBLE WALL DESIGN TO KEEP LID COOL. NON SKID BOTTOM. BLACK FLOCK DRAWSTRING GIFT POUCH STANDARD.AVAILABLE IN STAINLESS OR BLACK CHROME.