This item includes Inkedibles premium edible ink refills in a convenient and generous amount of 475ml (equivalent to 16 ounces). Simply draw up the edible ink with a clean syringe and inject the Inkedibles premium brand edible inks into your Inkedibles refillable cartridges. Inkedibles inks are FDA compliant and the best quality inks for your cake and edible ink requirements, producing beautiful prints for cake decorators and bakeries alike, with stunning definition and colors. Print with Inkedible Inks for Incredible Cakes! IMPORTANT: DO NOT MIX regular inks with edible inks. Inkedibles edible inks are FDA compliant food, and are intended to be used only in brand new compatible Inkedibles refillable ink cartridges that are filled only with Inkedibles edible ink. Never use edible ink with a cartridge or printer that has had regular ink running through it because contamination can occur. IMPORTANT: Do not swallow / drink. Use only as directed, for digital food decoration using inkjet printing. For confectioner use only and only for foods that are allowed to be colored. Keep away from children.