Insulated: Lid is double-walled. keeping your drink the ideal temperature for hours
Leak-Proof + BPA Free: Interchangeable Straw and Chug Lids prevent spills and leaks when in the closed position
Dishwasher Safe: Clean in the top rack of your dishwasher

This reusable lid is designed to fit only threaded. stainless steel Simple Modern Trek Pivot Tumblers in 30oz. 40oz. 64oz and 128oz sizes. This lid does not fit the Simple Modern 24oz Trek Pivot Tumbler. Voyager. Cruiser. Slim Cruiser. Classic. or any other brand of drinkware.