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: Cupholder-friendly with an ergonomic handle design, allowing for a comfortable grip and ease of transport.
Double Wall Insulation: Keeps beverages hot or cold for hours.
Durable: Includes a silicone boot to soften landings and enhance stability.

Pat/Pat Pend.