Fantastic Mainstays Jumbo Farm Pig and Cow Mugs Set. Whether coffee with cream or chocolate milk is your go-to breakfast beverage, the Mainstays Farm Cow and Pig Sculpted Mugs. Decorated to look like a happy cow and pig on the pasture and designed to be versatile, this 100% earthenware mug is perfect for your busy breakfasts or quiet mornings. The Mainstays Farm Cow and Pug Sculpted Mugs can hold 19.27oz of your favorite morning beverage, including coffee, tea, hot chocolate, orange juice, and more. If your beverage starts to get a little tepid, this mug is safe to put in the microwave to heat up. The design is on both sides of each mug.