Introducing the Stanley 530mL Foundry Black Insulated Vacuum Mug, a reliable companion for keeping your drinks at the perfect temperature. With its quad-vac technology, this mug offers a double barrier to the double wall insulation, ensuring maximum insulation efficiency. The full sealing lid guarantees a leak-proof experience, so you can confidently toss it in your bag without worrying about spills. The convenient carry loop adds to its portability, making it easy to take on-the-go. Whether you're heading to the office or embarking on an outdoor adventure, this mug has got you covered. It can keep your drinks cold for an impressive 16 hours, providing refreshing sips throughout the day. Say goodbye to lukewarm beverages and hello to the Stanley 530mL Foundry Black Insulated Vacuum Mug. With its sleek design and reliable performance, it's a must-have for anyone who values a well-insulated drink. So, grab your favorite beverage, fill up this mug, and enjoy your drink at the perfect temperature, wherever you may be.