Small bottle. Serious protection. These 1 oz amber glass Boston round bottles are built for products that can't afford light exposure — essential oils, tinctures, serums, and pharmaceutical formulations that need UV-filtering packaging from day one.
Available in standard amber and frosted amber finish, both with a 20-400 neck that fits the full range of droppers, screw caps, and child-resistant closures. Sold wholesale by the case (360 units).
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Why Amber Glass?
Clear glass lets light through. Amber doesn't. The iron, manganese, and sulfur compounds in amber glass absorb UV and near-visible light — the wavelengths most likely to degrade active ingredients, oxidize oils, or break down botanical extracts over time.
If you're packaging anything light-sensitive, amber isn't just an aesthetic choice. It's functional protection built into the material itself. And because it's glass — not plastic — it's chemically inert, non-porous, and won't absorb or leach into your product.
Who Uses 1 oz Amber Glass Boston Round Bottles?
The 1 oz Boston Round is one of the most widely used small-format bottles in wholesale packaging. Here's who reaches for it most:
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Essential oil brands — the 20-400 neck pairs with standard dropper inserts and orifice reducers; 1 oz is the go-to size for single-oil SKUs
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Tincture and extract producers — herbal, CBD, and botanical tinctures typically ship in 1 oz amber glass with a dropper cap
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Skincare and serum brands — facial oils, vitamin C serums, and treatment serums all benefit from UV-blocking packaging at this fill size
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Pharmaceutical and nutraceutical packagers — caustic liquids and light-sensitive supplements need chemical resistance and opacity
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Lab and clinical environments — Boston Rounds are standard in lab settings for sample storage and reagent packaging
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Private label producers — easy to brand with a custom label or direct-print finish; the frosted variant takes labels particularly well
Frequently Asked Questions
What sizes do these amber glass bottles come in?
This collection carries the 1 oz (30ml) size in Boston Round format. The Bottle Depot also stocks a range of larger Boston Rounds — if you need 2 oz, 4 oz, 8 oz or larger amber glass bottles like 16 oz and 32 oz, browse the full amber glass bottles collection.
What neck finish do these bottles have?
Both the standard amber and frosted amber Boston Rounds use a 20-400 continuous thread finish. That's one of the most common finishes in the industry — compatible with dropper caps, screw caps, child-resistant caps, and orifice reducers. Browse our Caps & Closures collection to find matching closures.
Are closures included?
Closures are sold separately, which lets you choose exactly the cap type that fits your product and application. Dropper assemblies, screw caps, and child-resistant closures in 20-400 are all available in our closures collection.
Are these bottles food safe?
Amber glass is chemically inert and non-reactive. For food or supplement applications, verify that your chosen closure is also food-grade and that your fill process meets applicable regulatory requirements for your product type.
What's the minimum order?
Bottles are sold by the case — 360 units per case. If you need a smaller quantity to test before committing, check our Samples collection.
Can I add a custom label or printed finish?
Yes. The Bottle Depot offers custom label printing and direct custom printing services for glass bottles. The frosted amber variant is especially well-suited for label application. Book a custom printing consultation via Calendly.
How fast will my order ship?
Orders ship within 3–5 business days to addresses across the contiguous US. The Bottle Depot has shipped to 5,000+ customers since 2018 and backs every order with a satisfaction guarantee.
