Trek Pivot Interchangeable Straw/Chug Lid color_PBZ Leak-Proof: The Flip Lid is

Leak-Proof: The Flip Lid is leakproof when the flap is closed

Easy to Use: Effectively wash away the tough stains and odors in your stainless steel

Multi-Use Leakproof Lid: Featuring two interchangeable leakproof lid pieces

Insulated: Flip Lid is double walled

The top lid doubles as a jigger and has 1/2 & 1 ounce measurement marks

Trek Pivot Interchangeable Straw/Chug Lid color_PBZ Leak-Proof: The Flip Lid isMulti 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