Funny Christmas Cat Mug: Holiday Family Mug With Santa Hat And Lights [MG167] Warm-up with a nice cuppa out of this customized ceramic coffee mug. Personalize it with cool designs, photos or logos to make that "aaahhh!" moment even better. It’s BPA and Lead-free, microwave & dishwasher-safe, and made of white, durable ceramic in 11-ounce and 15-ounce sizes. Tags: funny christmas,cat mug,holiday family,santa hat,christmas lights,funny cat,holiday mug,christmas cat,family mug,santa cat,festive mug,cat lovers,christmas humor