Now you can enjoy a day spent outside and still be able to drink wine with the Avanti Wine Tumbler 300ml in Gunmetal. Carefully made out of high-quality stainless steel, this tumbler features isothermic insulated double wall technology to ensure your beverage is at the right temperature when you're ready to drink it. With a transparent lid and a silicone seal, you won't have to worry about any accidental leaks or spills.