Hilarious Christmas Mug for Adults - Rude Holiday Coffee Cup - You Put the Ho Back in Holiday Festive Humor Gift [MG11] 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 xmas mug,rude holiday mug,adult humor mug,cheeky xmas mug,holiday humor mug,sarcastic xmas mug,christmas mug funny,naughty holiday mug,festive adult mug,humorous xmas mug,witty holiday mug,unique xmas mug,adult christmas mug