Damage claims on fragile shipments are one of the most avoidable costs in shipping. Most broken items don’t fail because a carrier was careless — they fail because the box was too big, the cushioning was too thin, or the item could shift in transit. If your business ships glassware, ceramics, instruments, machined parts, or anything else that can’t take a drop, a repeatable packing process fixes most of the problem. Here’s how to build one.
Start With the Right Box, Not the Biggest Box
The box should be about 2 inches larger than the item on every side — enough room for cushioning, not enough for the item to wander. Oversized boxes invite shifting and dimensional weight charges; undersized boxes put the item against the wall of the carton, exactly where impacts land.
For fragile goods, box strength matters as much as size. A standard 32 ECT single-wall carton handles most items under 40 pounds, but heavier or high-value fragile items are worth upgrading to double-wall corrugated. And if your product is an odd shape or you ship the same item repeatedly, a custom-sized box eliminates the guesswork — the right fit does more for protection than any amount of extra bubble.
The Two-Inch Cushioning Rule
A reliable baseline for fragile items: at least 2 inches of cushioning between the item and every wall of the box, including top and bottom. Which cushioning depends on the item:
- Bubble cushioning — the workhorse for glass, ceramics, and electronics. Wrap items individually with the bubbles facing inward, and tape the wrap so it can’t unwind.
- Foam sheets and pouches — better for polished or painted surfaces that bubble wrap can mark, and for thin-walled items like picture frames.
- Packing paper — good for filling voids and separating items, but crumpled paper compresses under weight, so don’t rely on it alone under heavy pieces.
- Foam-in-place or corner blocks — for high-value items that ship repeatedly, molded corner protection pays for itself in avoided claims.
Wrap Items Individually and Fill Every Void
When shipping multiple fragile items in one carton, wrap each one separately and keep them from touching each other or the box walls. Glass-on-glass contact is how sets of anything arrive as sets of fewer things. After placing the items, fill every remaining gap — if you close the box, shake it gently, and hear movement, it’s not done. Add fill until nothing shifts.
Consider Double-Boxing for High-Value Items
For items where a damage claim really hurts — electronics, artwork, sample products headed to a customer — use the box-in-box method. Pack the item in a snug inner box with 2 inches of cushioning, then place that box inside a larger carton with another 2 to 3 inches of cushioning on all sides. It costs a little more in materials and takes an extra minute, but it’s the closest thing to a guarantee that exists in parcel shipping.
Seal and Label Like You Mean It
Use quality carton sealing tape — 2.6 mil or heavier for fragile shipments — and apply the H-taping method: one strip along the center seam, one along each edge seam, top and bottom. Fragile labels don’t change how carriers handle a package as much as people hope, so treat them as a supplement, never a substitute for proper packing. What does help: a clear, protected shipping label and arrows on the carton if orientation matters.
Standardize It So Anyone Can Pack It
The best fragile-packing process is one your newest employee can follow on their first day. Write down the box size, cushioning type, and wrap count for each product you ship regularly, and keep those exact supplies stocked at the packing station. Chicagoland businesses have an advantage here: with a local supplier, restocking the right box and the right cushioning is a next-day fix, not a two-week wait — most in-stock orders placed before noon deliver the next business day. Browse cushioning, boxes, and tape at our online shop, or talk to us about custom box sizes and bulk pricing for the items you ship most.
Need help protecting your next fragile shipment? Call KMS Distributing at (847) 630-7502, email orders@kmsdistributing.com, or browse 20,000+ products at kmsdistributors.com/Shop — with free Chicagoland delivery on orders over $1,000.
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