Outdoor Multifunction Metal Alloy Mug Detachable Carry Rail Cup Fit 20Mm Rails

Holds around 20 oz, which is an iced venti (unlikely) or a pint and a half of beer (more likely).
All aluminum anodized products, including cookware and eating utensils.
Should be cleaned using a mild detergent and warm water.
Strong alkaline solutions are used to strip anodic coatings and in time will permanently damage the anodized finish.