What a great gag gift for that promiscuous friend of yours. let them know they are a 304. with the mug right side up the number "304" will appear, turn the mug right upside down and it spells exactly what they are.
Whether you're drinking your morning coffee, evening tea, or something in between – this mug's for you! It's sturdy and glossy with a vivid print that'll withstand the microwave and dishwasher.
• Ceramic • Dishwasher and microwave safe • White and glossy