Wish someone special a happy birthday with this 30ISH. fine bone china mug. From Oh Happy Day! by CELEBRATIONS® - fun and colourful gifts to celebrate the big birthdays. Details: - Crisp white fine bone china mug - 340ml volume - Blue handle and teal 30 number with multi-coloured ISH. - Yellow interior - Bright and colourful branded window gift box - Suitable for dishwasher and microwave FINE BONE CHINA: Made with at least 40% bone ash. Strong, thin and pure brilliant white. The pinnacle of luxury in ceramic.