Why Are You Upside down? - Coffee or Tea Cup 11 or 15 oz Funny Cat Lover Gift Mug starring Mitter Kitty (Nitro) by BeeGeeTees 04938 (15 oz) Made of white ceramic and contains no lead! Image printed on both sides with a high gloss finish. Available in 11 oz. and 15 oz. Dishwasher & Microwave Safe! High Quality Mug - Individually Boxed!! Printed and Tested in the USA.