Experience the ultimate in drink temperature retention with the Guardian Collection 18oz Stainless Steel Tumbler. Ideal for everyday use, this tumbler features Thermos® vacuum insulation technology, ensuring your beverages stay hot for up to 5 hours and cold for up to 14 hours. Designed with a comfort-soft handle for easy carrying, a slide lock lid to prevent spills, and dishwasher-safe components, this tumbler makes hydration seamless wherever life takes you.