Rainbow Dust ProGel® Concentrated Food Colour, Holly Green Colouring Gel For Baking and Cake Decorating, 25g Tube. ProGel® food colours by Rainbow Dust are highly concentrated so only the smallest amount of ProGel® is required to give a deep rich colour to your creations. Simply add a small amount to your sugar paste, marzipan, buttercream etc and watch it transform into your desired colour as it is mixed in. 37 colours in the range. Each tube contains 25g. Boxed 1. INGREDIENTS Hemctant: E422, Colours: E155, E102, E133, Water, Modified starch (tapioca) MANUFACTURER CONTACT INFORMATION Rainbow Dust Colours, Cuerden Green Mill, Ward Street, Preston, PR5 5HR See moreNut Free, GM Free, Gluten Free, Suitable for Vegetarians, Certified Kosher, Suitable for Halal Diets. Food Colouring - Use the Progel food colouring gel to bring colour and life to any show stopping bake, perfect for rainbow cakes or decorating birthday, wedding, retirement, or any other celebration cakes or cupcakes. 25g Tube - Highly concentrated colour supplied in an easy to use re-sealable plastic tube with clear colour coded label printed on the outside to ensure you always choose the right colour for your cake decorating needs. Easy To Use - Simply add a small amount to your sugar paste, marzipan, buttercream, cake batter etc and watch it transform into your desired colour as it is mixed in. Color may darken on drying. Concentrated - Rainbow Dust ProGel Food Colours are highly concentrated so only the smallest amount is needed to give a deep rich colour to your baked creations.