Drinks Well With Others Engraved Travel Tumbler. Our insulated stemless wine tumbler is perfect for wine on the go, wine on the beach, hot coffee or cold beverages on the run. The opening in the lid is also big enough for a straw! We selected these Polar Camel 12 oz vacuum insulated travel stemless wine glass tumblers for their high quality and durability. The Polar Camel logo is on the top of the clear lid. We recommend hand washing. 12 oz. Stainless Steel Polar Camel Stemless Wine Glasses feature double-wall, vacuum insulation with a clear lid. They are 2X heat and cold resistant compared to glass or plastic wine glasses. Polar Camels are made from 18/8 gauge stainless steel. 3 1/2″(W) x 4 3/8″(H) x 2 3/8″ diameter at the base.