Packaging Insert Protection: How Inserts Prevent Damage in Shipping
Scratched products, broken corners, shifted items — see exactly how inserts protect your product through shipping. Compare protection levels by insert type. Chengtop Packaging’s protection guide.
- Understand how inserts prevent shipping damage
- Compare protection levels by insert material
- Know how much protection your product needs
- Learn insert thickness rules
- Avoid common protection mistakes
- Reduce damage rates in transit
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Description
No Insert = Damaged Product
Your product rattles around in the box. It shifts in transit. Customers open the box and it’s scratched or broken. A good insert holds the product secure and absorbs shock — that’s what inserts are for.
How Inserts Protect Your Product
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Protection
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How It Works
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Holds product in place
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No movement = no scratches
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Absorbs shock
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Foam compresses on impact
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Prevents contact
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Product doesn’t touch box walls
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Cushions corners
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Fragile edges protected
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Distributes weight
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No point pressure on product
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Protection Level by Insert Type
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Insert Type
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Protection
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Best For
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EVA foam
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Excellent
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Fragile electronics, glass
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Velvet-covered board
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Good (looks premium)
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Cosmetics, jewelry
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Cardboard divider
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Fair
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Durable products
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Molded pulp
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Good
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Shipping, eco-friendly
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Styrofoam
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Good
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Not eco-friendly
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Insert Thickness Guide
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Product Type
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Minimum Thickness
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Fragile glass
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20–30mm
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Electronics
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15–20mm
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Cosmetics
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10–15mm
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Jewelry
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5–10mm
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Durable items
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5mm
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Rule: Thicker insert = more protection, but also more cost and less space.
Shipping Damage Benchmarks
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Packaging Level
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Typical Damage Rate
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No insert, just box
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5–15%
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Cardboard divider only
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3–8%
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Molded pulp insert
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1–3%
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EVA foam custom insert
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Under 1%
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Common Protection Mistakes
- No insert — Product rattles around, gets scratched
- Loose fit — Product moves in cavity
- Too thin insert — Doesn’t absorb shock
- Wrong material — Hard plastic insert scratches product
- No corner protection — Fragile corners break
- Product touches box walls — Rubs and scratches
- No top insert — Product moves up and down
How to Test Insert Protection
- Shake test — Shake the box. Nothing should move.
- Drop test — Drop from 30cm. Product should be fine.
- Corner test — Press on corners. No give.
- Product fit — Product should be snug but removable.
Protecting Different Products
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Product
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Insert Recommendation
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Glass bottles
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EVA foam, neck support
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Electronics
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Custom EVA foam
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Cosmetics
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Velvet or cardboard tray
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Jewelry
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Velvet insert, individual slots
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Food
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Cardboard divider
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Candles
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Molded pulp or foam
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How We Help
- We recommend the right insert material for your product
- We design cavities that hold product secure
- We advise on thickness for your protection needs
- We test insert fit with sample products
- We help you achieve under 1% damage rate
Need Shipping-Proof Inserts?
Tell us your product and how fragile it is — we’ll design the right insert.
Email: chengtop888@outlook.com
WhatsApp / Phone: +86 15272060604
