20mm 20-400 Black Glass Dropper for 1 oz Boston Bottles | Bulk Glass Dropper Supplier
Product Overview

This 20mm 20-400 black glass dropper is designed to fit 1 oz Boston round bottles, providing reliable sealing and precise liquid dispensing for a wide range of applications.

As a trusted glass dropper supplier, we offer consistent bulk production and stable quality, ensuring compatibility with industry-standard packaging used in cosmetic, pharmaceutical, essential oil, and chemical products.

Featuring a high-clarity glass pipette and a durable rubber bulb, this dropper allows smooth liquid uptake and controlled dispensing, making it ideal for everyday use across various liquid formulations.

Key Features
Designed for 1 oz Boston Round Bottles
Compatible with standard 20-400 neck finish
Precise & Controlled Liquid Dispensing
Glass pipette ensures accurate dosing and smooth flow
Durable Rubber Bulb for Consistent Suction
Provides reliable elasticity and controlled liquid release
Strong Chemical Compatibility
Suitable for oils, serums, and various liquid formulations
Clean Black Finish for Professional Appearance
Enhances product presentation and brand appeal
Bulk Supply with Stable Quality
Ideal for distributors and brands requiring consistent production
Specifications
Neck Finish: 20-400
Size: 20mm
Cap Material: Polypropylene (PP)
Bulb Material: Rubber
Pipette Material: Glass (Straight Tip)
Color: Black
Compatibility: 1 oz Boston round bottles
Applications

This black glass dropper for 1 oz bottles is widely used for:

Essential oils
Skincare serums
Pharmaceutical liquids
Cosmetic formulations
Chemical solutions
Customization Options

We offer flexible customization to support your packaging needs:

Cap color and finish customization
Bulb material and color options
Pipette length and style adjustments
Logo printing and decoration
Why Choose Us
25+ years of packaging manufacturing experience
Integrated plastic and glass production capabilities
In-house mold development and customization
Stable bulk supply with reliable lead times
Trusted supplier for cosmetic and pharmaceutical packaging
FAQ

Q1: Does this dropper fit standard 1 oz bottles?
Yes, it is designed for 1 oz Boston round bottles with a 20-400 neck finish.

Q2: Is this dropper suitable for essential oils and skincare products?
Yes, it is suitable for a wide range of liquid applications including oils and serums.

Q3: Can you provide bulk or wholesale pricing?
Yes, we specialize in bulk supply. Please contact us for pricing and samples.

Q4: Are customization options available?
Yes, we offer customization including colors, materials, and pipette specifications.