Package Included: 6 pcs 5ml liquid droppers and 1 pcs clean brushes, each dropper has clear scale on the dropper body, which is graduated as follows:1 ml, 2 ml, 3 ml, 4 ml, 5 ml. The size can be easily grasped by preschool children.Healthy Material: The liquid droppers are made of food grade silicone and plastic, 100% BPA FREE. There is no glue for connecting silica gel and plastic. It is suitable for many liquids and uses, such as feeding medicine water and milk for children. Can be used as pet straw, small cavities for essential oils.Bright Color: There are 6 bright colors of the silicone bulb tips. Bright colors help to attract children's attention, improve children's ability to distinguish colors, and stimulate children's creativity of the candy making, food decoration.Easy to Clean: The silicone squeeze can be easily removed by pulling and separating from the plastic pipette, you can use the included brush to clean, and the droppers can be used well in dishwashers, freezers and microwave ovens.NOTE: The dropping pipettes withstand range temperature tolerance from -40F to 248F hot, please pay attention to liquid temperature when using.