The Stanley x Calia 40oz Flowstate Quencher Tumbler in Black Serpent, Limited Edition, is a modern and stylish drinkware item suitable for both hot and cold beverages. Made of stainless steel, this large round tumbler features an embossed design, double-walled insulation, and a spill-proof lid with a drink-through opening. With a capacity of 40 oz, it can keep drinks cold for 11 hours and hot for 7 hours. The tumbler comes with a matching lid and straw, making it convenient for on-the-go use. The black color and iconic Stanley and Calia logos make this tumbler a must-have for fans of the brand and collectors of unique drinkware items.