4oz Cobalt Blue Glass Boston Round Bottle with 22-400 Neck Finish

This 4oz cobalt blue glass Boston round bottle features a 22-400 neck finish and a rich cobalt blue color that provides moderate protection for light-sensitive liquids while enhancing visual appeal. Its classic Boston round shape is ideal for essential oils, tinctures, serums, and cosmetic formulations. The 22-400 neck finish ensures compatibility with a variety of closures, including droppers, screw caps, and sprayers.

Features:

Capacity: 4oz (120ml)

Material: Cobalt Blue Glass

Neck Finish: 22-400

Classic Boston round shape for easy handling and labeling

Provides some UV protection for light-sensitive formulations

Enhances shelf appeal with vibrant cobalt color

Ideal for essential oils, tinctures, serums, and cosmetic liquids

Compatible with droppers, screw caps, and sprayers

Note: Closures sold separately.

Difference between Boston Round and Euro Round Bottles. 

Material Type : Glass

Capacity : 120 ml (4 oz)

Color : Cobalt Blue

Shape : Round

Cap Size : 22-400

Label Dimensions 5.9375 x 2.5625 in (width x height)

Print Dimensions 6 x 2.5625 in (width x height)