Features Quality material: glass pipette dropper is made of quality glass. Thick and durable, environmentally friendly, with a long service life. Clear Scale: The glass dropper has an accurate-scale, and the calibratio-mark is easy to read and observe. When you performs different experiments, glass pipettes can meet your highly accurate-requirements. EASY TO CLEAN: Remove the rubber head from the dripper and clean it with the cleaning brush in the package. Widely used: glass pipette with rubber pipette ball is widely used in various laboratories, research medicine, food, chemistry, school teaching, and so on. Multi-Function: The dropper pipettes are perfect for chemical-experiments, and also can be used for making crafts, DIY hand-made soaps, and school teaching tools. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: Glass or Rubber Package List: 1x Blue Rubber Suction Bulb or 1x 3ml Glass Pipette Dropper or 1x 5ml Glass Pipette Dropper or 1x Red Rubber Suction Bulb or 1 Set Glass Pipette Dropper(3ml Pipette Dropper +5ml Pipette Dropper +Red Blue Rubber Suction Bulb)