1/2 oz. (15 ml) cobalt blue glass boston round dropper bottle, 18 mm (18-400) neck finish, packaged with a calibrated black child resistant polypropylene (PP) plastic dropper and 66 mm glass pipette. Boston rounds have a rounded shoulder and rounded base, making them popular in personal care packaging but also appropriate for applications in other industries. The calibrated markings make this product great for specific measurements. The dropper has a glass tube and rubber bulb ideal for dispensing essential oils, skincare and chemical products.

Key benefits:
  • Round shoulder and base
  • Iconic and classic shape
  • Made of Cobalt Blue glass to filter UV light
  • Strong and heavy bottle
  • Black Dropper with 66mm glass pipette
  • Graduation marks at: .25ml, .5ml, .75ml, 1.0ml


Cobalt Blue Glass - Cobalt blue glass provides moderate light protection to light-sensitive products and is suitable for essential oils, natural cosmetics, food products, extracts, and select pharmaceutical drugs. Cobalt oxide is used to create the blue glass. A reduced form of blue glass (blue-green glass) is rare but can be made by eliminating the surfer and using only iron and carbon. The Cary Company carries cobalt blue glass packers, oblongs, and boston rounds.


This information has been provided as a general guide. It is the customer's responsibility to select the proper container for product and application compatibility.

Additional Information

More Information
Capacity 1/2 oz., 15 ml
Style Boston Round, Dropper
Color Cobalt Blue
Material Glass
FDA Approved Yes
BPA Free Yes
Neck Finish 18-400
Neck Width 18 mm
Dimensions 0.984" Dia. x 2.688" H
Case Pack 540 ea.
Case Dimensions 16" x 11" x 09"
Pallet Pack 43,200 ea. (80 Cases)
Pallet Dimensions 47" x 39" x 89"
Industries Food & Beverage, Health & Beauty, Nutraceuticals, Pharmaceutical
Graduated Yes
Note: Products containing ethyl alcohol or pure essential oils may remove the printed graduation marks due to the liquid's corrosivity. Please test this dropper for compatibility with your product.
Q & A
Customer Questions
Can you ship internationally? Where are you located?
The Cary Company online ordering platform is only set up to ship within the United States. For international shipments, please contact us at 630.629.6600 or Sales@thecarycompany.com, and we will be happy to process your order. Our main warehouse and office are located in Addison, Ill. We also have warehouses in across the United States that you can see here. Thank you for choosing The Cary Company.
Do you offer labeling services?
Yes, we offer design services, as well as in-mold labeling, screen printing, label printing and application services. You can request a quote from our design team by calling 630.629.6600 or emailing Sales@TheCaryCompany.com. For more information regarding the services we offer, please go to our Design Services page. Thank you for choosing The Cary Company.
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