Our reusable stainless steel double-insulated coffee tumbler is the ultimate solution for keeping your drinks at the perfect temperature. Thanks to its double-insulated wall and copper lining, this thermos can maintain the temperature of your hot drinks for up to 12 hours and keep your cold drinks chilled for just as long. Choose from our range of sizes, including 10oz, 20oz, 30oz, and 40oz tumblers. The 20oz, 30oz, and 40oz tumblers are accompanied by multiple eco-friendly stainless steel straws and a splashproof coffee lid. Additionally, we provide a small cleaning brush for easy maintenance, ensuring your tumbler will remain in top condition for years to come. This 30oz insulated stainless steel tumbler keeps beverages hot or cold for hours. Built for durability and daily use, it’s the ideal reusable travel mug for work, commutes, or outdoor adventures. Features: Keeps hot drinks hot for up to 12 hours and cold drinks cold for 12 hours Enhances insulation for superior temperature retention Includes multiple reusable straws for a sustainable drinking experience Prevents spills and helps maintain drink temperature Comes with a small cleaning brush for hassle-free upkeep Built to last, offering long-term use and reliability Ideal for travel, commuting, or outdoor activities Ensures secure storage without worrying about leaks or spills Specifications: Dimensions: H:20 x W:10.2 x D:7.5 cm Weight: 0.4 kg Colour: Black Guarantee: 1 Year Material: Stainless Steel Model Number: DYZI0001