Guide

How to Specify Bottles, Caps and Labels for a New Line

A buyer guide covering the pack data that makes filling, capping and labelling shortlists far more accurate from the start.

Reviewed by the Lancing UK technical team · Updated April 2026

The pack specification often decides the machinery route

Many packaging projects are delayed because the product is known but the pack details are still vague. In practice, bottle base stability, neck finish, cap style, label size and placement tolerance can change the correct filling, capping and labelling route entirely.

That is why serious machinery enquiries should include the pack specification, not just the product description. The bottle, cap and label need to be treated as core technical data rather than artwork-stage details.

  • Bottle material, shape, volume range and stability
  • Neck finish, opening size and closure compatibility
  • Label size, material, orientation and application standard
  • Whether tamper evidence, coding or induction sealing is required

Bottle details that help shortlist filling and conveying equipment

The bottle influences indexing, nozzle access, conveyor handling and change parts. Small changes in base design or neck geometry can alter how reliably the line runs at speed or during changeovers.

If several bottle sizes are planned, it helps to provide the whole expected range rather than only the first format. That makes it easier to discuss the best compromise between flexibility and optimisation.

  • Overall height, diameter, footprint and centre-of-gravity stability
  • Neck finish, neck height and any unusual shoulder or panel shapes
  • Bottle material and whether slip, static or deformation is a concern
  • The likely family of future bottle sizes, not just the launch SKU

Cap and closure details that shape the capping route

Closure data affects cap feeding, presentation, torque control and whether the line needs screw, press-on, trigger, pump, dropper, crimp or other capping routes. A cap that looks simple can still be difficult to present or apply consistently at speed.

Where closures vary across the range, buyers should flag the whole family early so the line can be discussed with changeovers and tooling in mind.

  • Closure style, dimensions and material
  • Whether torque, press-fit or crimp performance is critical
  • Need for cap feeders, orientation or specialist cap handling
  • How often closures change across the planned SKU range

Label data that makes labelling discussions much easier

Labelling is highly dependent on container shape, available panel space, orientation requirements and presentation standard. Small label changes can affect sensor setup, wrap accuracy, coder position or the overall line layout.

If artwork is not final, even a temporary label drawing with target dimensions and position rules is much better than leaving the label stage undefined.

  • Label width, height, material and roll orientation
  • Required front, back, wrap-around or tamper-evident positions
  • Any date coding, print-and-apply or transparent-label challenges
  • Tolerance for skew, overlap, seam position or registration

Need help turning pack data into a shortlist?

Lancing UK can help use the bottle, closure and label information to narrow down the right filling, capping and labelling routes for the wider line.

Quick answers

Short answers for visitors comparing options or planning the next project step.

Do I need final artwork before I can discuss labelling equipment?

No. Even provisional label dimensions, target positions and presentation rules make the shortlist far more accurate than leaving the label undefined.

Can I still ask for a shortlist if the bottle family is not final?

Yes, but it helps to describe the likely size range and the formats most likely to appear so flexibility can be discussed properly.

Why does closure detail matter so early?

Because cap style and presentation often change the capping route, the cap feeder discussion and the overall line integration plan.

More guides

Related planning guides

Use these routes to continue the shortlist, compare alternatives and move into the right machinery or support page.

Guide

Contact Lancing UK

Share the pack data and discuss the machinery route with the technical team.

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