Funny Jumper Cables Mug: Sarcastic Christmas Gag Gift With Humor [MG36] 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 mugs,holiday coffee mugs,gag gift mugs,festive mug designs,sarcastic mugs,Christmas mug gift,novelty Xmas mugs,coffee lover gifts,humorous mugs,unique holiday mugs,Christmas mug set,witty coffee mugs,holiday humor mugs