The 40 oz Stanley® Stainless Steel Insulated Quencher Travel Mug is expertly designed for all-day temperature control. Made from 18/8 stainless steel with robust double-wall vacuum insulation, this mug keeps drinks cold for up to 9 hours, iced for 40 hours, and hot for 5 hours. Its splash-proof design, complete with a reusable straw, ensures spill-free sipping on the go. The durable stainless steel construction and ergonomic handle provide convenience and comfort, making it ideal for travel or daily use. This travel mug meets FDA and Prop 65 safety standards, offering a reliable and safe hydration solution for every adventure.