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. Wine Glasses are BPA and lead free. Custom designs available. Images in photo with all colors are custom design options. Double sided engraving options available. PLEASE CHOOSE 2 SIDES IF YOU WANT BOTH SIDES ENGRAVED.