Double-Sided Coffee Mug "I Can't Believe I Work This Hard To Be This Poor" Make mornings come alive with this fun black coffee mug. Inside, handle & rim are glossy, outside has a matte finish. Mug is made of ceramic. For best results, hand wash. 4.25 inches tall, holds 16 ounces. The funny + snarky quote is on both sides of the mug! These nice, oversized mugs come in a white gift box.