Double Sided Food Pen from Rainbow Dust A 2 sided pen thick and thin allowing you to add detail to your food decoration so much easier than using a brush for your fine detail. The pen which contains a specially formulated " Food Ink" has two nibs 0.5 mm and a wider one 2.5mm for bold colour work. This fast drying ink means you can add funny faces messages or whatever you fancy to your cake decoration. Ingredients: Water Glycerine IPA E110. Suitable for Vegetarians Kosher Halal and GM free.