Cat Theme Mug. Cat Theme Stoneware Mug "I Heart My Cat" 4033465 - 16 oz MUG. Reads: I HEART MY CAT. Stoneware measures 4.5in H x 3.75in W x 5.25in L. The perfect gift for any cat lover. A bold fresh and colorful collection by designer Lorrie Veasey featuring witty sentiments that make unique gifts..