Stay hydrated and stylish with the Stanley Dark Green Quencher Flowstate 40 OZ Tumbler Cup. The Flowstate technology ensures your drinks stay cold for hours, while the 40 OZ capacity allows you to easily stay hydrated on-the-go. With its dark green color, this tumbler cup is a sleek and functional addition to any adventure or daily routine. This tumbler cup is the perfect accessory for any adventure or daily routine. Stay hydrated and keep your drinks cold for hours with the Flowstate technology, while the large 40 OZ capacity allows you to easily quench your thirst on-the-go. Plus, the dark green color adds a touch of style to your daily hydration.