The Stanley x Calia 40oz Flowstate Quencher H2.0 Tumbler in Black Serpent is a large, round tumbler made from stainless steel with a modern design and a capacity of 40 oz. It can keep beverages hot for 7 hours and cold for 11 hours, making it perfect for all occasions. This spill-proof tumbler comes with a lid, straw, and is decorated with an embossed design. Machine washable and dishwasher safe, this tumbler is suitable for hot or cold beverages and is a must-have for teens and unisex adults alike.