'Claws Humbug' Grumpy Christmas Cat Coffee Cup コーヒーマグカップ

Start your mornings with a sip of festive grumpiness! This “Claws Humbug” coffee mug features a delightfully moody holiday cat who’s clearly over the season—and ready to share that attitude with anyone in range. Perfect for cat lovers who prefer their humor dry and their coffee strong, this mug adds a hilarious touch to holiday breakfasts, office desks, and cozy winter nights. Whether you’re embracing your inner grump or gifting someone with a sense of feline mischief, this mug is the purr-fect blend of humor and holiday charm!