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Packaging guides
Practical advice on choosing materials, sizes, closures and decoration.
Guide
PET vs HDPE vs PP: choosing the right plastic
The main differences between the three most common packaging plastics.
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Guide
What does 24/410 mean? Understanding neck finishes
How to read neck sizes so bottles, caps, pumps and sprayers fit together.
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Guide
Airless packaging: how it works and when to use it
Why airless bottles protect sensitive formulas and dispense almost every drop.
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PCR plastic explained: recycled content in bottles and jars
What post-consumer recycled resin is and what changes when you use it.
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Guide
Choosing a cosmetic jar: material, wall type and liner
PP or PET, single or double wall, and how to keep the product sealed.
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Guide
Cosmetic tubes: diameter, material and closures
How tube size, wall structure and caps change the pack.
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Tell us about your packaging project
Send the product, size, quantity and decoration you need. We reply with options, MOQ, lead time and sample availability.
- Usually a reply within one working day
- Samples available on request
- One quote for containers, closures and decoration
sales@kwplasticbottle.com