Materia:Dropper Made from high quality food-grade plastic,Sturdy and durable, it can be used for a long time. Easy to Use:The amount of water absorbed by dropper can be adjusted by controlling the strength of grasping the dropper end. Easy To Clean:The large pipette dropper is detachable and can be cleaned in the dishwasher. Clear Scale:The plastic pipettes is very precise, clear and professional, the calibration marks are easily readable. Wide Application:Liquid droppers can be used to make food such as chocolate, mini cakes, and can also be used for scientific experiments, essential oils, garden watering, etc.