How to Choose the Right Bottle Cap Size for Your Packaging
Bottle cap size is not just about fitting—it affects sealing, user experience, and product safety.
Common Bottle Cap Sizes
28mm
30mm
38mm
55mm
Factors to Consider
Neck Compatibility
Must match preform neck size.
Application
- Beverage → easy open
- Oil → leak-proof
Material & Design
Different caps offer different sealing performance.
Common Buyer Concerns
- Leakage issues
- Cap tightness
- Compatibility with filling lines
Conclusion
Selecting the right cap size improves both performance and customer experience.
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