12 OZ Insulated Wine Tumbler, Double Wall Vacuum Insulated Stemless Tumbler, Stainless Steel Cup for Coffee, Wine, Cocktails, Ice Cream -Black Toxin-Free and Eco-Friendly12oz Wine Tumbler is made only from the highest Quality Premium 304 18/8 Food Grade Stainless Steel, highly resistant to rust, won't absorb odor or bacteria, retains the flavor of your beverage, and it is easy to clean by hand. Vacuum Insulated TechnologyDouble-Wall Vacuum Insulation will keep your wine cold on a hot summer day, or your coffee hot to start your day off right. Splash-Proof LidMade of Tritan copolyester, versatile top lid works great just sipping or with a straw, and it ensures that your drinks staying inside Stemless, not on you. Ergonomic DesignModern curved design ensure that Stemless stays securely in your hand and the silicone bottom is designed to prevent it from sliding and spilling. 100% Quality AssuranceCabepow Direct is the only authorized Seller of this product. Any other sellers are not authorized and will not be warrantied by Cabepow.