The Stanley Black 40 OZ Quencher Flowstate Tumbler Cup combines durable construction with advanced insulation technology to keep beverages cold for hours. Its 40-ounce capacity is ideal for extended hydration, while the Flowstate lid ensures smooth, spill-resistant sipping. Designed for active lifestyles, this tumbler offers reliable performance and easy portability, making it a trusted choice for professionals and outdoor enthusiasts alike.