Lenny Mud Catfeine Mug. This funny cat mug makes a great gift for any cat lover. It reads: Catfeine on the front and "Without it I'm Catatonic" on the back. Interior is yellow. Handmade from stoneware clay, this large mug measures 4 x 4 and holds 16 oz. Created with all lead free, non toxic materials- safe to place in the dishwasher and microwave. Made to be used and enjoyed. A fresh new update on one our most popular designs. Pet new large stoneware mug gift for cat lover funny cat mug crazy cat lady mug crazy cat lady catffeinated catfeine cat owner cat mugs cat mug cat mom cat lover cat dad cat coffee mug cat black cat 16 oz mug