3-D Ghost Mug Stoneware from Crofton Halloween NEW set of 4 This 14.5 oz. stoneware mug from Crofton is perfect for Halloween with its ghost pattern and art deco style. The white mug is a contemporary original and made of high-quality materials. It is ideal for decorative use or for enjoying your favorite hot beverage. The mug is designed to hold 14.5 oz. and is perfect for any occasion.