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Professional-grade refillable set. Our cream jar manufacturer provides durable bamboo-style bottles and glass cream jars wholesale for cosmetic brands.
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This hub settles two questions in one place: whether a semi-round body with a reinforced base suits your serum, oil or essence line, and what it actually takes to order one. Start with the specification table, then work through the cap and ring pairings and the stock, printed and custom order paths; when a 40ml glass dropper bottle with this base weight is the right call for the product you are formulating, the sample route begins with a single request and a thick bottom glass dropper bottle in your hand within days.
Reference figures for the semi-round thick-bottom body. Every other module on this page points back here instead of restating the numbers.
Semi-round body, reinforced thick-bottom base, DIN 18 neck.
| Parameter | Specification |
|---|---|
| Capacity | 40ml (net fill) |
| Height with cap | Approx. 94–106mm |
| Diameter / width | Approx. 39–48mm |
| Neck finish | DIN 18 (18mm) — compatible with standard dropper systems |
| Bottle weight | Approx. 115g–137g |
| Material | Pharmaceutical-grade glass |
| Shape | Semi-round with thick-bottom base |
| Light protection | UV protection described for light-sensitive formulations |
| Closure | Dropper ring + rubber head, supplied as a matched pairing |
Dimensions are for reference; actual measurements may vary slightly by cap style.
Two numbers decide whether this bottle drops into your line: the net fill must land on 40ml at your fill head tolerance, and the tallest cap option in your shortlist must keep the closed bottle inside your carton dieline. If either fails, change the cap style before you change the bottle.
The reinforced base is a commercial decision as much as a moulding one. Here is what it buys you and what it costs.
Glass mass sits at the lowest point of the bottle, so a filled 40ml unit behaves like a heavier object in the hand. That lower centre of gravity gives the bottle a firm, level stand on a retail shelf and makes it harder to tip during a one-handed dropper routine.
The extra glass also adds a margin during transit. A thick base resists the chipping and star cracks that start at the foot of thinner bottles, which matters when the body is packed in export cartons and moved between pallets.
Because the body is pharmaceutical-grade glass with UV protection described for light-sensitive formulations, the thick wall works with your light barrier rather than against it: amber or dark bodies keep their depth of colour across the whole profile, so the base does not look like a cheaper component than the shoulder.
For the formulation-level reasoning behind the base choice — viscosity, dropper control and oil oxidation — move on to the serum and face-oil application guide once you have settled the packaging geometry here.
The reinforced base is moulded into the semi-round profile, not added as a separate part.
Six formulations this 40ml body is used for, and the detail that should drive your decision in each one.
The thick glass body keeps a high-value serum from looking like a sample vial on shelf.
Decision: pick a frosted white head for a clear serum, frosted black for a tinted one.
02A 40ml net fill matches a typical multi-week essence routine without a mid-cycle repurchase.
Decision: confirm your fill volume before locking cap height.
03The DIN 18 dropper system is built for drop-by-drop dispensing with a secure seal.
Decision: choose a bamboo or walnut ring for a botanical shelf story.
04A 39–48mm body diameter takes a wrap label with room for claims copy and a barcode.
Decision: test your label artwork against the smallest body diameter.
05UV protection is described for light-sensitive formulations, which is the first requirement for cannabinoid oils.
Decision: confirm the exact glass colour before approving artwork.
06A sealed dropper head limits evaporation, which keeps a sampling kit usable to the last drop.
Decision: pair a gold ring with a black head for a gift-ready finish.
Six published ring and cap styles, each supplied with its matching rubber head. The answer here is a combination, not a single number.
Ring finish and rubber head colour are chosen together as one matched set.
| Ring / cap style | Matching rubber head | Where it works best |
|---|---|---|
| Bamboo ring | Frosted white rubber head | Clean-beauty and botanical ranges |
| Walnut wood ring | Frosted black rubber head | Apothecary-style oils and dark glass bodies |
| Rose gold ring | Frosted white rubber top | Gift sets and retail shelf launches |
| Gold ring | Black rubber head | High-contrast luxury serums |
| Frosted heightened double black rings | Frosted black rubber head | Minimal, clinical-looking skincare |
| Double-layer vertical gold rings | White rubber cap | Premium essence and fragrance oils |
All six systems are standard droppers built for the DIN 18 neck. Measurements vary by cap style, so confirm the closed height for the exact pairing you order.
Choose the ring for shelf language — wood and bamboo for natural, metallics for luxury, matte black for clinical — then choose the rubber head for formulation contrast: white heads on clear liquids, black heads on amber or tinted ones so the dropper does not look stained.
Three order paths run in parallel. This is the only place on the page where price, MOQ and production lead time appear together as one choice.
$2.40 per piece
Fits: pilot runs, sample stock, refill orders.
Quoted on request
Fits: a branded launch on the existing stock shape.
Quoted on request
Fits: a signature bottle for a flagship range.
If your first order is under 3,000 pieces, only Path A is open to you — printing and moulding thresholds sit above that. If you need your logo on shelf within two weeks and can commit to a few thousand units, Path B is the fastest branded route. Path C is a moulding decision, so treat it as a product development cycle rather than a packaging purchase.
Stock bottles ship the same day; printed and custom runs follow their own lead times.
Six steps from shortlist to bulk run, with the one thing to check at each stage.
Pick the ring and rubber head pairing from the matrix.
Check: closed height at the tallest cap option.
A sample fee applies and is refundable against a bulk order.
Check: that the fee and refund terms are confirmed in writing.
Samples are dispatched within 1–3 working days.
Check: the bottles arrive un-chipped at the foot.
Fill to your real volume and test the dropper draw.
Check: 40ml net fill at your fill-head tolerance, plus label fit.
Lock ring, head colour, glass colour and print artwork.
Check: that the approved sample matches what will run.
Same day for stock, 3–7 days printed, 7–15 days custom.
Check: carton and pallet plan before dispatch.
What sits behind a repeat order: the production floor and the packaging that gets the bottles to your warehouse intact.
Individual bagging, foam-lined cartons and palletised bulk orders.
Ask for the carton and pallet configuration with your quote — it decides your inbound handling cost, not just the freight rate.
Find your situation, read the configuration that fits, and go straight to the next step.
| Your scenario | Configuration that fits | Why it works | Next step |
|---|---|---|---|
| 300-unit pilot launch | Stock bottle, rose gold ring + frosted white head | No MOQ at $2.40 per piece, ships the same day | Request a sample, then place a stock order |
| Light-sensitive vitamin C serum | UV-protective pharma-grade body, frosted double-black rings | Light barrier plus a matte clinical shelf look | Confirm the glass colour on the sample |
| Retail gift set with your logo | Stock shape, silk-screen print, walnut wood ring | Print MOQ 3,000–5,000 pcs with 3–7 working days | Send artwork for a print quote |
| Signature bottle for a flagship range | Custom shape or bespoke glass colour | 10,000 pcs minimum, 7–15 working days | Book a development slot with the factory |
| Long-haul export of oils | Thick-bottom base, foam cartons, palletised bulk | Reinforced foot plus cushioned cartons | Ask for the pallet and carton plan |
| Fragrance sampling programme | Gold ring + black rubber head on the DIN 18 neck | Precise drop control with a secure seal | Order stock units and test evaporation in use |
Send your ring style, glass colour, print artwork and target quantity in one message. Stock orders can ship the same day, printing runs take 3–7 working days, and full custom shapes are quoted on a 10,000-piece minimum.
OEM and ODM work, bulk-order pricing and sample fees are all handled through the same enquiry.
Keep adjacent product options together for a faster catalog comparison.
Professional-grade refillable set. Our cream jar manufacturer provides durable bamboo-style bottles and glass cream jars wholesale for cosmetic brands.
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View productthe base is a reinforced thick-bottom semi-round design rather than a thin standard punt. the extra glass sits at the lowest point of the body, which gives a filled bottle a lower centre of gravity and a firmer stand on a shelf.
the neck is din 18 (18mm), described as compatible with standard dropper systems. each ring style ships with its matching rubber head, so confirm the ring and head pairing you want when you request a sample.
stock bottles have no moq at $2.40 per piece and ship the same day. silk-screen or hot-stamping printing starts at 3,000–5,000 pcs with a 3–7 working day lead time, and a custom bottle shape or colour requires 10,000 pcs with 7–15 working days.
samples are dispatched within 1–3 working days. a sample fee applies and is refundable against a bulk order, so confirm the terms when you place the request.
the bottle is made from pharmaceutical-grade glass with uv protection described for light-sensitive formulations. ask for the specific glass colour you intend to use so light transmission is confirmed for your product.
every bottle is individually wrapped in a protective bag, packed into sturdy export cartons with foam inserts, and large orders ship on wooden pallets with stretch wrap. carton dimensions are set by your order quantity.