Stanley cups are a century-old American brand, featuring a double-walled vacuum stainless steel design that provides excellent heat and cold insulation. Common capacities include 12oz (354ml), 20oz (591ml), and 30oz (887ml).

 Keeps drinks hot for 1.5 hours, cold for 3 hours, and chilled for up to 15 hours; durable and sturdy.
 Available in a variety of colors, suitable for outdoor, office, and vehicle use.
 

 
 30 oz Stanley Quencher H2.0 Tumbler with Handle and Straw - Mahogany

 Capacity: 30 oz 18/8
 Recycled stainless steel, BPA-free, double-layer vacuum insulation.
 - Leak-proof ProTour flip-top straw
 -Removable suction nozzle