• The package includes: 2 silicone pipettes of 5 ml for children, 2 graduated glass pipettes of 10 ml with 2 large rubber caps, and 1 cleaning brush. • High-quality material: Made with lead-free glass and food-grade silicone, these pipettes are very strong and durable. They withstand high temperatures and have chemical resistance. The scale is accurate, clear, and professional, with easy-to-read calibration marks. • Easy to clean: The glass dropper with rubber can be easily disassembled and assembled for cleaning. The glass is easier to clean, allowing for repeated use without mold formation. Simply remove the top and place it in clean water. • Clear scale: The 10 ml and 5 ml pipettes have fine, clear, and professional scales, with easy-to-read and observe calibration marks. Ideal for chemical experiments in the laboratory that require precision. • Versatile use: The large pipette is suitable for chemical experiments, school teaching, soap making, administering children's medication, and handmade projects. The glass pipettes are reusable after cleaning, offering a better option than plastic ones.