This Educational Colours Kindergarten Liquid Fun Dye can be used to colour pasta, craft sticks and dough for art and craft activities. It's non-toxic which makes it safe for use in classrooms or for use at home. It comes packaged in a squeeze bottle with a nozzle for precise and easy application. The dye is non-toxic so it is safe for use in classrooms. Avoid the messiness of powdered dye with this convenient, ready to go liquid dye. The bottle features an easy squeeze system and a specially designed nozzle for easy pouring. It is recommended for ages 3 and up. The dye in the bottle is ready to use so there is no need for mixing. There is 500 mL of pink dye in this bottle.