While most things are better outdoors, it's especially true of wine. But that simple pleasure demanded some serious engineering to ensure no pool deck, happy hour or boat is hampered by broken glass. The 10 oz. Wine Tumbler is the YETI answer to the wine glass. - 18/8 stainless steel resists dents and drops - Dishwasher safe to further simplify life - Double-wall vacuum insulation keeps cold drinks cold Approx. measurements: 3.5” at Widest 4.5“ Tall 2.75“ Diameter Top Opening Never used. Box not included. These tumblers do not have lids.