Back in My Day, the Only Time We Started Panic Buying Was When the Bartender Yelled "Last Call" - Polar Camel Wine Tumbler with Lid. 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 (18% chromium/8% nickel) - also known as Type 304 Food Grade. Not recommended for dishwashers, hand wash only. Length: 3 1/2" Height: 4 3/8" Width: 3 1/2"