Description
The 4 oz amber glass jar in the classic Boston Round style with a 22-400 continuous thread (CT) finish offers a reliable packaging solution designed to protect light-sensitive products while maintaining a clean, professional presentation. Combining durable UV-protective glass packaging with a slightly larger, versatile format, this 4 oz amber Boston round jar is ideal for applications where product integrity, stability, and usability are key.
The Boston Round silhouette is widely recognized for its rounded shoulders and sturdy construction, making it a trusted choice across personal care, nutraceutical, and pharmaceutical industries. This 4 oz glass jar provides increased capacity for multi-use applications while maintaining a compact, shelf-friendly profile suitable for both retail and operational environments.
Constructed from amber glass for UV protection, this jar helps shield contents from harmful light exposure, preserving the potency and consistency of light-sensitive formulations such as essential oils, tinctures, herbal extracts, creams, and specialty blends. For brands seeking dependable light-protective glass packaging, amber remains a proven and preferred material.
The 22-400 CT neck finish supports compatibility with a wide range of closures, including screw caps, lined caps, droppers, and treatment pumps. This makes the 4 oz 22-400 jar adaptable across both liquid and semi-solid applications, offering flexibility in dispensing and product design.
Each jar arrives undecorated, providing a blank canvas for labeling and customization. Whether used for wellness, beauty, or pharmaceutical products, this amber glass Boston round container delivers both functional performance and a consistent, elevated presentation.
Closures sold separately
RELIABLE PACKAGING FOR SENSITIVE FORMULATIONS
Designed for performance-driven applications, the 4 oz amber glass jar provides dependable protection and professional presentation for products where stability and quality are essential.
AMBER GLASS FOR UV PROTECTION
Glass color plays a critical role in maintaining product integrity:
Amber reduces exposure to harmful UV light
Helps preserve potency and extend shelf life
Ideal for essential oils, extracts, pharmaceuticals, and nutraceuticals
Preferred for UV-protective glass packaging solutions
22-400 CT FINISH FOR VERSATILITY
The 22-400 continuous thread finish offers flexible closure compatibility:
Works with caps, droppers, pumps, and treatment closures
Suitable for both liquid and semi-solid formulations
Supports a wide range of dispensing options
Standardized 22-400 jar compatibility simplifies sourcing
LARGER FORMAT, EXPANDED USE
The 4 oz amber Boston round jar is ideal for:
Multi-use personal care and wellness products
Larger-format tinctures and liquid supplements
Creams, balms, and topical formulations
Refill or extended-use packaging formats
Retail-ready amber glass packaging solutions
WHY GLASS PACKAGING?
Glass remains a trusted material for premium and sensitive products:
Non-reactive: Maintains product purity without interaction
Premium Appearance: Enhances brand perception and shelf presence
Sustainable: 100% recyclable and widely accepted
Durable: Performs reliably through filling, storage, and use
The 4 oz amber glass Boston round jar with 22-400 CT finish delivers a dependable, high-quality packaging solution designed to protect your product and support scalable, professional packaging programs.
