Specifications:Made of high-quality glass material, it is safe, wear-resistant and durable to use, and it also can prevent the liquid inside the bottle from evaporation and leakage.The unique bottle mouth design make it easy to refill and clean.It used in many fields, like lab experiment and home use.Item Name: Dropper BottleMaterial: GlassProduct Specifications: 30ml, 60ml, 125mlFeatures: Wear-Resistant, Durable, Easy to Carry, Convenient to Use30ml Dropper Bottle Caliber: 28mm/1.10" (Approx.)60ml Dropper Bottle Caliber: 35mm/1.38" (Approx.)125ml Dropper Bottle Caliber: 42mm/1.65" (Approx.)Notes:The dropper is used in conjunction with the dropper.Do not rinse the dropper on the dropper bottle with water.The surplus of the sucked medicine cannot be returned.The dropper should not be placed upside down or horizontally to prevent the reagent from corroding the dropper.When dropping liquid, the dropper should not be put into the container to avoid contamination of the dropper and damage to the container.Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Dropper Bottle