30 Oz Coffee Mug

coffee mug
a mug intended for serving coffee
A mug is a sturdily built type of cup often used for drinking hot beverages, such as coffee, tea, or hot chocolate. Mugs, by definition, have handles and often hold a larger amount of fluid than other types of cup.

30
thirty: being ten more than twenty
thirty: the cardinal number that is the product of ten and three
7.62 mm caliber is a nominal caliber used for a number of different cartridges. Historically, this class of cartridge was commonly known as .30 caliber, the Imperial unit equivalent, and was most commonly used for indicating a class of full power military main battle rifle (MBR) cartridges.

oz
ounce: a unit of weight equal to one sixteenth of a pound or 16 drams or 28.349 grams
Oz (aka Oz - A Rock 'n' Roll Road Movie also released as 20th Century Oz in United States) is a 1976 Australian film written, directed and co-produced by Chris Lofven.
Australian
The ounce (abbreviated: oz, the old Italian word onza, now spelled oncia; apothecary symbol: ?) is a unit of mass with several definitions, the most commonly used of which are equal to approximately 28 grams.