HAPPYNUTS MUGS, Double Walled Stainless Steel Mug Rolling Cup Blue Blazer Mug, 15 Ounces The double-walled stainless steel mug is perfect for use when making a Blue Blazer or any other hot cocktail; Made from premium, 18/8 stainless steel with classic design, plus a beautiful mirror finish in exterior; Also great for serving up ales, beers and lagers; The multi-use mug is the ideal choice for home, bars, pubs and restaurants; Stands 5" tall; Holds up to 450ml or 15 oz.