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Packaging
By:Hayley Chesshir|Communications Specialist
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Guide to Boston Round Bottles Packaging

Boston Round Bottles stand out as versatile and functional containers. With a history dating back to the 19th century, these cylindrical bottles have undergone minimal design changes, retaining their classic shape.

Their unique features and adaptability make them a top choice for various industries, ranging from pharmaceuticals to beauty products to beverages.

In this guide, we delve into the diverse range of options when it comes to the selection of Boston Rounds, including plastic Boston Round bottles and glass Boston Round bottles.

Amber glass Boston Round bottle with dropper

What are Boston Round Bottles?

You're probably familiar with the shape of the Boston Round Bottle, even if the name doesn't immediately come to mind. Chances are, you have at least one of these bottles in your cupboard at home.

Commonly used in the pharmaceutical industry, the Boston Round bottle, also known as a Winchester bottle, is known for its classic shape. It features a cylindrical body with a short, curved shoulder and a narrow neck that's threaded for a secure screw-on cap.

With the emergence of automated glass blowing in the 19th century, the Boston Round became a popular bottle style. Traditionally made of high-quality thick amber glass, this bottle was favored by pharmacists to safeguard light-sensitive contents.

Today, however, the Boston round bottle has a multitude of uses across industries and is available in different colors and material options. This bottle style is a well-known and dependable product in the packaging industry.

Dark amber glass Boston Round bottle

Boston Round Bottle Design

Boston Round Bottles are versatile items that come in various sizes, each sharing common characteristics. The distinctive and timeless design embodies both functionality and aesthetic appeal.

Shape Characteristics

The shape of the Boston Round hasn't changed much since it first entered the market. It remains a cylindrical bottle with curved shoulders. This round shoulder design prevents liquid and cream contents from getting stuck. Many industries consider the Boston Round to be an ideal bottle shape. From laboratory applications to DIY decorations, the versatility of this classic bottle shape has made it one of the most identifiable packaging styles available today.

Common Sizes

While there is a wide range of Boston Round Bottle sizes on the market today, some are more common than others. The most commonly found sizes include:

  • 0.5 oz and 1 oz Boston Round Bottles - These tiny bottles are the perfect size for essential oils and aromatherapy uses because of the potency of these products.

  • 2 oz Boston Round Bottle - This size works well for flavor extracts for food products, pharmaceuticals, and cosmetic applications.

  • 4 oz Boston Round Bottle - Popular uses for the 4 oz bottle include facial serums, pharmaceuticals, and economy-sized essential oils and extracts.

  • 8 oz Boston Round Bottle - The 8oz is the perfect bottle size for prescription syrup medications, specialty beverages, or chemical and laboratory applications. You can also add a fine mist sprayer and use this bottle for a room spray or facial mist product.

  • 16 oz Boston Round Bottle - The versatility of the 16 oz bottle makes it an excellent choice for personal care products like lotions. Its size is also ideal for spray bottles containing household chemicals and DIY containers, allowing for a personal touch in homemade cleaning products. The 16 oz bottle has also gained popularity as a sustainable option for refillable soap dispensers with pumps.

  • 32 oz Boston Round Bottle - This size bottle is ideal for hair care, cleaning products, and beverages. The 32 oz amber glass Boston Round is the perfect container for a kombucha or cold brew coffee beverage.

Typical Neck Finishes

The Boston Round bottle typically has a narrow neck, though the neck opening can vary. Nearly every design has a threaded neck for a screw-on cap or lid. The narrow neck size helps prevent evaporation of the product, which is one of the benefits of choosing this particular bottle design for creams and liquids.

Bulk amber glass Boston Round bottles

Key Features of a Boston Round Bottle

The simplicity of the Boston Round bottle is what makes this classic packaging option so versatile. The traditional design incorporates several highly functional features, making it particularly suitable for storing and packaging liquids, creams, and other viscous products. There’s no question why this timeless bottle has been a mainstay stock option for centuries, but let’s take a closer look at some of its best features.

Versatile Neck Finishes

The threaded neck finish of the Boston Round bottle seems simple, but it opens the door to multiple types of closure options. If a manufacturer needs a simple cap finish with screw-on polypropylene caps to keep medication or beverages safe, they are easy to accommodate. Yet this threaded neck can also take a pump dispenser for dispensing products such as lotion or shampoo.

Perfume and essential oil companies can use a spray pump with a Boston Round neck. For essential oils and other liquids with an oil base, phenolic caps are the ideal choice. Child-resistant items are also available for products that require additional safety features.

Additional cap options include:

  • Disc tops
  • Lined metal caps
  • Twist top caps
  • Flip top caps
  • Droppers

With such a wide variety of closure styles and cap style options, as well as seals and liners for a tamper-evident container, it is not surprising that Boston Round bottles are one of the most popular container types in many industries.

Material Options

Traditionally, Boston Round bottles were made from amber glass. This provided resistance to ultraviolet (UV) light, but it did not allow the user to see inside easily.

Today, amber glass is still a popular material choice, but it is just one of many options. Today, common materials for the Boston Round include plastic and glass. The most popular choices for both plastic and glass bottles are clear, cobalt blue, dark amber for light-sensitive products, light amber, and green.

Wide Range of Sizes

As mentioned above, one of the most appealing features of the Boston Round is the wide range of sizes available. With capacity options ranging from 0.5 ounce to 1 gallon, the versatility of this bottle makes it a highly desired style.

2-3 ounce Boston Round bottles are the perfect size for travel, as they fit the current government standards for entry into airports through TSA checkpoints. The 16-ounce bottles are a standard size for many beverages, while the larger sizes work well for items that can be purchased in bulk, like sanitizer, shampoo, and cleaning products.

This style is also popular for its bulk pricing when you purchase a case from online retailers.

UV-Protective Options

Many products can deteriorate rapidly when exposed to UV light. One of the primary advantages of using amber glass as a material for bottles is its UV-protective properties. The darker hue of the glass effectively shields light-sensitive products from UV ray infiltration, ensuring their preservation. The dark Cobalt blue glass option also offers similar protection against UV rays, safeguarding the integrity of the contents.

Durable & Impact-Resistant

Boston Round bottles are designed to be highly durable. While there is no guarantee that you won't have issues with breakage if you’re using glass bottles, choosing a high-quality glass bottle with a heavier weight will help ensure durability and strength.

To minimize breakage completely, choose a plastic bottle. To complete your packaging solution, you have several closure options. White polypropylene and black caps are the most common choices. Tamper-evident solutions will provide visual evidence if the container has been compromised. Seals and liners act as barriers between the bottle and the closure to protect against leaks and provide an additional layer of tamper-evidence. CRC caps are also available to protect children from the risks of accessing unsafe or hazardous contents.

Aesthetic Appeal

While practicality might be the main reason for choosing Boston bottles for packaging, their timeless aesthetic cannot be ignored. The classic shape and color options, particularly cobalt and amber glass, evoke a sense of nostalgia and sophistication.

These bottles are not just an ideal storage solution, but elegant accents that add a touch of creativity to any occasion. Picture a cobalt blue bottle adorned with delicate florals, serving as a stunning centerpiece at a wedding reception, or amber glass jars for homemade syrups and tinctures, adding warmth and charm to a kitchen shelf. The aesthetic appeal of these timeless bottles draws customers to it increasing the chances of a successful sale.

Boston Round PET bottle for personal care product

Different Types of Boston Round Bottles

When selecting a material type for Boston bottles, manufacturers evaluate several critical factors to ensure optimal performance and durability. These factors include the material's inherent properties, its durability, and the compatibility of the material with the substances intended for storage in the bottle.

By carefully considering these aspects, manufacturers can make informed decisions in choosing the most suitable bottle material for their specific storage requirements.

Glass Boston Round Bottles

Boston Round bottles were initially crafted from glass and continue to be a popular choice in today's market. Glass is prized for its strength, impermeability, and recyclability. It is also intrinsically food-safe, making it an ideal choice for ingestible products. Glass bottle options include:

  • Amber Boston Round Bottle: The traditional color for glass Boston Round, amber is popular for medications, personal care items, natural health tinctures, and decorative purposes.
  • Clear Boston Round Bottle: Made from strong and durable flint clear glass, this option lets customers see the product inside. It is ideal for products you want visible through the packaging and are not light-sensitive.
  • Cobalt Blue Boston Round Bottle: These distinctive blue bottles protect light-sensitive products from visible and UV light.
  • Green Boston Round Bottle: Less common, green glass bottles provide partial UV protection for light-sensitive products.

Plastic Boston Round Bottles

Boston Round plastic bottles are typically made from PET, LDPE, or HDPE and offer a reliable and versatile packaging solution. Understanding the differences between these plastic materials can help you make an informed decision.

  • PET (Polyethylene Terephthalate) Boston Round bottles are generally clear and glossy. They are lightweight and easily squeezed, making them suitable for liquid products. PET is a highly recyclable material that finds new uses in various products, reducing environmental impact. The recycled resin is called rPET. The most common colors for PET Boston Rounds are clear, white, dark or light amber, and black.
  • LDPE (Low Density Polyethylene) Boston Round bottles are soft and flexible, making them easy to squeeze. LDPE offers good moisture and chemicals resistance and a good vapor barrier. This material is ideal for products that require controlled dispensing, such as eye drops, essential oils, or facial serums. While LDPE is recyclable, it can be more difficult to recycle than other types of plastic and isn’t accepted in curbside recycling bins. The most common color for LDPE Boston Rounds is natural.
  • HDPE (High Density Polyethylene) Boston Round bottles are strong and rigid. This material is less transparent than PET and is most commonly available in natural and white. HDPE is ideal for products such as laundry detergent and other household chemicals, pharmaceutical products, and personal care products. HDPE is recyclable and is accepted at most recycling centers. The most common colors for HDPE Boston Rounds are white and natural.

Due to the popularity of the Boston Round shape. Plastic offers subtle style variations available in the market. A traditional Boston Round will have round shoulders and round bottom edges. An alternate Boston Round style is called a ‘squat’ Boston Round where the bottom edges are sharp and lay flush against the surface the bottle sits upright on.

Glass Boston Round Dropper Bottle

Popular Boston Round Bottle Use Cases

The Boston Round bottle is known for its durability, practicality, and timeless design, making it a popular choice across various industries. Some of these industries include:

1. Essential Oils & Aromatherapy

Essential oils and aromatherapy liquids require safe storage in containers that prevent chemical leaching and provide UV protection. Glass Boston Round bottles meet these requirements effectively. Their threaded necks accommodate dropper lids and phenolic caps, making them suitable for storage and dispensing. For aromatherapy purposes, rollerballs or spray lids can be added for convenient application.

2. Beauty & Skincare Products

Lotions, creams, serums, and other personal care items need to be safely stored before being applied to your skin. Boston Round bottles are ideal for storing these beauty and skincare products, and various compatible closures such as flip-tops, pumps, or spray lids make them convenient to use.

3. Pharmaceuticals & Nutraceuticals

In the healthcare industry, both traditional and naturopathic practitioners require containers for storing medications, herbal elixirs and tinctures, and various other medicinal applications. One of the original purposes of the Boston Round bottle was to fulfill this need, particularly for cough syrups and other liquid medications. These medications require protection from UV light and chemically stable containers to maintain their integrity and efficacy. The Boston Round bottle meets all of these requirements, making it an ideal choice for storing pharmaceutical and nutraceutical products.

4. Beverages

In the beverage industry, food-safe containers are essential for storing and distributing products. For craft beverage makers, bottles are crucial for ensuring quality and product safety. Packaging also serves to attract customers and align with their branding objectives. From small businesses to well-known brands, many companies have found Boston Round bottles ideal for packaging and shipping their beverages.

5. Home & Cleaning Products

Home and commercial cleaning products require suitable packaging to ensure accessibility and protection. The Boston Round bottle excels due to its exceptional durability with chemical and moisture resistance from certain materials. It can withstand the storage of caustic cleaning chemicals, effectively safeguarding the product's integrity. Additionally, tightly fitting screw-on caps prevent leakage during transit or storage, mitigating the risk associated with potentially hazardous chemicals. For added convenience, spray or pump bottle attachments allow easy access to the cleaner when needed.

6. Food & Culinary Products

Boston Round bottles are a popular storage solution for food products like gels, liquids, and creams, but they can also effectively store dry products such as spices. These bottles are suitable for storing dry products as long as the food particles are small enough to pass through the narrow neck. The rounded shoulders prevent food from getting trapped inside, minimizing the risk of spoilage and mold growth, making them a versatile and practical choice for storing a variety of substances.

Glass Boston Round Bottle being reused

Are Boston Round Bottles Sustainable?

In today's environmentally conscious market, demand for sustainable products has become an increasingly urgent priority for businesses and consumers alike. Boston Round bottles offer a solution for manufacturers to meet this need. Thankfully, these bottles can be recycled depending on the material choice, allowing companies to reduce their environmental impact and align with their customers' values. Glass bottles are fully recyclable and indefinitely reusable, making them the most sustainable option. The recyclability of the plastic will depend on the color and the material. As mentioned above, PET is easily and universally recyclable, HDPE is accepted at most recycling centers, and LDPE can be recycled at specified facilities.

Color plays a significant role in the recyclability of plastic bottles. For example, dark bottles require more processing to get the resin to a state of reusability. Make sure to thoroughly research your packaging material for recyclability to ensure that your packaging can be easily recycled. Additionally, adding brand messaging on the label with instructions to recycle can remind consumers what to do when the product reaches the end of its life.

Get Started with Boston Round Bottles

In today's market, with so many packaging options available, Boston Rounds stand out as a popular choice due to their timeless design and practicality.

At Paramount Global, we've been dedicated to simplifying packaging and optimizing supply chain solutions for businesses like yours since 1976. As experts in this field, we offer attractive and versatile packaging for food, beverage, pet, personal care, industrial, and pharmaceutical & nutraceutical industries, offering options for wholesale and bulk orders.

Our expertise as industry leaders in packaging and supply chain solutions is optimizing and simplifying our customers' packaging needs. From sourcing sustainable packaging solutions to inventory and supplier management, we are here to help you.

Contact us today to discover how we can partner with you to streamline your packaging and supply chain processes.

Hayley Chesshir
Hayley Chesshir|Communications Specialist

Hayley is a marketing professional and copywriter with a background in crafting content for a diverse range of industries. She has been writing about packaging and supply chain logistics for Paramount Global since 2022. She specializes in explaining complex topics in a clear and engaging way and is an advocate for sustainability in packaging and supply chain management.

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