Happy birthday mamacita PREMIUM QUALITY: 17oz mug, is made from Prop 65-approved new bone china. IN-HOUSE DESIGN: “Happy Birthday Mamacita” text and accompanying decal are both printed onto the mug. PERFECT GIFT: Great for gifting to a friend who is celebrating their birthday. CARE INSTRUCTIONS: Dishwasher safe, although washing by hand is recommended to best preserve decals. Do not microwave.