Hey ladies of the 29455! This Real Housewives of Johns Island Polar Wine Tumbler is constructed with 2 oz. stainless steel for double-wall, vacuum insulation and comes with a clear lid. It is 2X heat and cold resistant compared to glass or plastic wine glasses, and made from 18/8 gauge stainless steel (Type 304 Food Grade). Not recommended for dishwashers - hand wash only. Dimensions: 3.5"H x 3.5"L x 4.3"W.