A plastic dropper bottle with a metal rod and a capacity of 125ml is typically used for dispensing small amounts of liquid precisely. Here are the detailed specifications and features of such a bottle:

1. Material:
   • Bottle: Made from high-quality plastic, typically low-density polyethylene (LDPE) or polypropylene (PP), which offers flexibility and durability.
   • Dropper: Often comes with a metal rod (usually stainless steel) for enhanced durability and precise control during dispensing.
2. Capacity:
   • 125ml (4.2 ounces), suitable for holding various liquids such as oils, solutions, and other laboratory chemicals.
3. Design:
   • Dropper Mechanism: The dropper includes a metal rod, providing a controlled flow and preventing contamination. The metal rod ensures the liquid can be dispensed drop by drop with accuracy.
   • Cap: Screw-on or snap-on caps to prevent leaks and ensure the contents remain secure.
4. Usage:
   • Ideal for laboratories, pharmaceuticals, and cosmetic applications where precise dispensing is crucial.
   • Commonly used for aromatherapy oils, essential oils, chemicals, and reagents.
5. Additional Features:
   • Leak-proof: Designed to prevent leaks, ensuring safe and clean usage.
   • Chemical Resistance: The materials used are resistant to a variety of chemicals, making them suitable for different types of liquids.

These bottles are essential tools in both scientific and industrial settings due to their reliability and precision in dispensing small amounts of liquid​