Trek Pivot Interchangeable Straw/Chug Lid

Multi-Use Lid: Featuring two interchangeable lid pieces. you can choose your preferred sipping method – straw or chug – and easily swap out the sipping component within the lid at any time.
Insulated: Lid is double-walled. keeping your drink the ideal temperature for hours?
Leak-Proof: Interchangeable Straw and Chug Lids prevent spills and leaks when in the closed position