Trek Pivot Interchangeable Straw/Chug Lid color_PBZ Premium Copper Coated Insulation Layer:

Premium Copper Coated Insulation Layer: The exterior of the inner wall

No Mess: Double wall technology prevents condensation sweat

US Patent Pending

Assortment of Patterns: Find a pattern to match your child's personality

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

Trek Pivot Interchangeable Straw/Chug Lid color_PBZ Premium Copper Coated Insulation Layer: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