-- Vacuum insulated for 2X cold and heat retention compared to plastic containers -- 20 oz stainless steel double-wall construction -- Removable clear lid and textured sweat-free powder-coat -- High precision laser etched engraving -- BPA and Lead-Free -- Hand Washing Recommended -- Do Not Microwave Cooking, Mugs, Chef Humor, Chef, Fun Cooking, Chef Gifts, Gag, Health Hygiene, Insulated Tumblers