colour mill- Purple 100mlOil based liquid colour range that can be used to colour chocolate, buttercream, cake batter, fondant icing etc. 100ml bottles contain 5x more than the smaller 20ml bottles which retail around $9 saving you $25 on the equivalent amount of product! As of 10 21, all new stock have a bb date of at least 09 28 so they have a good long shelf life. Shake the bottle before. Colours brighten over time. Vegan, halal, kosher, allergen free.