How does the 2-in-1 lid work on the tumbler 40oz stainless steel?

The tumbler 40oz stainless steel 2 in 1 lid uses innovative dual-function technology:

• Straw Mode: Flip open the straw port for controlled sipping
• Wide Mouth Mode: Open the larger section for quick hydration
• Independent Seals: Each opening has its own leak-proof seal
• Easy Switching: Change modes in seconds based on your needs

This makes the tumbler 40oz stainless steel 2 in 1 lid perfect for any beverage or situation—hot coffee through the straw, cold water from the wide mouth.