Multi-Use Leakproof Lid: Featuring two interchangeable leakproof 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.
Functional: Ergonomic handle design allows for a comfortable grip, making it easy to carry on-the-go.
Double Wall Insulation: Keeps beverages hot or cold for hours.
Durable: Includes silicone boot to soften landings and enhance stability.

Pat/Pat Pend.