Shipping damage is one of the most expensive and avoidable costs in e-commerce fulfillment. Every damaged shipment costs the price of the replacement product, the return shipping, and the customer relationship damage that's harder to quantify. Most shipping damage is preventable with the right packing practices. Here's your complete shipping damage prevention checklist.
Box Selection: Right Size, Right Strength
The most common cause of shipping damage is the wrong box. An oversized box allows the product to shift during transit — every shift is an impact. An undersized box compresses the product and can fail under carrier handling. Use the 32-pack assorted size shipping boxes to match box size to product size: the product should fit with 2 inches of space on all sides for void fill, no more.
For flat, rigid products, the 50-pack 7x7x1 inch mailer boxes eliminates void fill requirements entirely by matching the box depth to the product depth.
Void Fill: No Movement, No Damage
The product should not move inside the box when you shake it. If it moves, add more void fill. This is the single most important damage prevention rule. Adequate void fill absorbs the impacts that carriers deliver to every package — drops, compressions, and vibration during transit.
Sealing: The H-Tape Pattern
Boxes sealed with a single strip of tape across the center seam fail under carrier handling. The H-tape pattern — one strip across the center seam, one strip along each edge seam — distributes stress across three tape lines and prevents the box from opening under pressure. Use the tape dispenser gun with heavy-duty clear packing tape for consistent, strong seals on every box.
Label Protection: Tape Over the Edges
Labels that peel during transit create delivery failures that are indistinguishable from damage in their impact on the customer. Apply a strip of clear tape over the label edges — not over the barcode — to prevent peeling. This is especially important for packages shipped in humid conditions or handled multiple times.
Fragile Items: Double-Box When Necessary
For fragile items that can't be adequately protected with void fill alone, double-boxing provides an additional layer of protection. Place the product in an inner box with void fill, then place that box inside a larger outer box with additional void fill between the two boxes. The outer box absorbs impacts before they reach the inner box.
The Damage Prevention Checklist
Post this at every packing station: box size matches product with 2" clearance on all sides, product does not move when box is shaken, H-tape pattern applied on all seams, label edges covered with clear tape, fragile items double-boxed if needed. Five checks, consistent execution, dramatically reduced damage rate.