Dropper Glass Bottle, Dark Glass Bottles Approximately 20ml x 2 bottles Thank you for viewing. These are empty bottles (20g capacity) for vitamin serum, and are dark glass type. They are dropper type, so you can use them for dispensing small amounts of liquid. Please check the photos for the size and consider accordingly. Thank you for viewing. #Dividing #Travel Case #Aroma Dark Glass Bottle #Liquid Fertilizer Bottle #Feeding