The Stanley Cup Cashmere The Quencher ProTour Flip Straw Tumbler 30 oz is a premium stainless steel tumbler that can keep your beverages cold for up to 9 hours. With a spill-proof lid and insulated design, this tumbler is perfect for both hot and cold drinks. The elegant cashmere color adds a touch of sophistication to your drinkware, while the brand's reputation for quality ensures long-lasting durability. This tumbler is a must-have for anyone looking for a stylish and functional beverage container.