this is a darling AMC NY NY Santa Claus snack plate and mug set perfect for leaving out cookies and hot chocolate for Santa Claus, I believe this is ceramic or possibly porcelain very nice collectible holiday set to use year after year made in Japan plate reads dear Santa here is a yummy treat for you PS I've been good all year XX0 mug reads the same both are in excellent condition no chips cracks or rough spots, they look brand new barely used plate is 8 in mug is 4 in tall 3 in wide About a 10 to 12 oz mug depending on how full you have it Santa mug and plate set collectible holiday Christmas