The double-wall vacuum-insulated walls give you a worry-free mind knowing your favorite beverages are kept at their optimal temperature. Made of lightweight 18/8 food-grade stainless steel that is non-leaching and will not retain taste or odor. The double-wall technology prevents condensation on the outside of the tumbler so you don’t have to worry about it slipping out of your hand while enjoying the vineyard hillsides. The wine tumbler’s gloss finish and chic design make it a must-have for any lavish event or back deck party. Ideal to use for a springtime brunch or adventuring into the unknown, the vacuum-insulated walls ensure your beverage is kept at its ideal temperature amid each drink. Every SevenFifty Wine Tumbler is accompanied by a pressure fit lid. The silicone ring ensures a snug fit to the inner wall to ensure your favorite beverage is kept at its prime temperature. The silicone ring is designed to be easily removable for proper cleaning.