Fit is application-specific
A nominal neck size does not confirm thread engagement, liner compression, plug geometry, torque or leakage performance.
U.S. packaging market guide
U.S. Plastic Caps & Closures Sourcing Guide
A sourcing guide for flip-top, disc-top, screw and specialty closures used with plastic and glass packaging. Final classification and fit depend on the complete component specification.
ProductPlastic caps and closures
MaterialPP / PE
Common trade referenceHS 3923.50
Target marketUnited States
Buyer intent signals
Specifications that change the supplier recommendation.
A trade-data category can identify the market, but a useful factory quote starts with the component, formula, annual quantity and destination.
- Neck finish and thread profile
- Orifice and dispensing behavior
- Liner, plug or sealing requirement
- Torque and compatibility testing
Quote-ready checklist
Prepare a comparison that can be manufactured.
- Provide the mating bottle or an approved neck drawing
- Define leak, drop and transport tests
- Confirm resin, color and decoration
- Qualify the closure and bottle as one system
Related buyer searches
plastic cap manufacturer · flip-top cap supplier · 24-410 closures · custom bottle caps
Market-to-factory decisions
Use market research to improve the packaging brief.
Search demand identifies the product category. A qualified supplier still needs the technical and commercial inputs that determine fit, risk and repeatability.
Dispensing changes the brief
Flip-top, disc-top, screw, treatment and specialty closures require different orifice, orientation and consumer-use decisions.
Approve the assembly
Use the intended bottle, closure and fill product for agreed fit, leakage, transport and usability checks before production.
Packaging buyer route
Looking to source this packaging product?
Tell us the product, size, quantity and delivery location. BottleMarkets will turn the request into a supplier-ready factory brief.
Buyer questions
Clarify the package before comparing suppliers.
Specifications, samples, tests, minimum quantities and commercial terms are confirmed for the individual project.
Can a plastic closure be matched from a bottle photo?
A photo can start the review, but a neck drawing or physical bottle is normally needed to confirm thread, seal, torque and dispensing fit.
Can a custom cap be developed around an existing bottle?
Yes. The neck interface, sealing method, opening force, decoration, mold scope and forecast should be defined before tooling.
Packaging procurement
Looking to source this packaging product?
Tell us your specifications, target quantity and delivery location. BottleMarkets will review the requirement and help identify a suitable factory path.