The PackVue Guide
Everything you need to know about packaging specs, materials, and sourcing — written for buyers, not engineers.
Bottles
Different Bottle Shapes and Their Uses
Boston Round, Winchester, Bullet, Cylinder — understand when to use each shape and why it matters for your product.
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Caps & Closures
Neck Finishes Explained: What 24-410 Actually Means
Decode the two-number system used for neck finishes and closures. Never order a mismatched cap again.
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Caps & Closures
Cap Liner Types: PE Foam, Induction, Pressure Sensitive & More
Choose the right liner for your product — from moisture barriers to tamper evidence.
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Materials
PET vs HDPE vs PP vs Glass: Choosing the Right Material
A practical guide to plastic and glass packaging materials — compatibility, clarity, chemical resistance, and cost.
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Caps & Closures
Child Resistant Caps: A Buyer's Guide
When are CR caps required? What types are available? How do you test for compliance?
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