Custom Promotional Drinkware Branded Mugs Walmart Business Print Amazon.com ZENFUN 4 Pack 6.8 oz Coffee Cups Set, 18 8 Stainless Steel Espresso Cup with Saucer and Spoon, Cute Coffee Mugs with Handle, Drinkware Cup for Latte, Cappuccino, Milk, Tea: Cup Dover 12 oz. White Mug Crate & Barrel The amounts aren't usually listed on packages, so we tested 14 popular ground and instant coffees. Here are our results for Small (8 ounce) and Large (24 ounce) cups. Which coffee brand are you Its hard to tell mug sizes without seeing them all together, so I made a handy dandy guide for you!