Double-Wall Insulation:** The inner stainless steel layer keeps your drinks hot or cold for hours, while the outer polystyrene layer provides a cool, comfortable grip.Generous Capacity:** With a 470ml (16oz) capacity, this travel mug is perfect for coffee, tea, or any beverage you choose, ensuring you stay refreshed throughout the day.Durable Construction:** The inner stainless steel is robust and resistant to rust, while the polystyrene outer layer adds an extra layer of protection and style.Leak-Proof Design:** The secure lid ensures that your drink stays where it belongs, preventing spills and leaks even when you’re on the move.Easy to Clean:** The wide mouth opening makes it simple to fill, drink from, and clean, ensuring convenience in your daily routine.Capacity: 470ml (16oz) Inner Material: Stainless Steel Outer Material: PolystyreneIncluded Accessories: Secure, leak-proof lid