Insights
Bubble packaging, from the plant floor
Practical guides on padded mailers, protective packaging and buying factory-direct from Mexico — written by the team that runs the lines.
Sep 2, 2026 · 5 min
Poly vs. kraft bubble mailers: which face is right for your shipping?
Same bubble inside, different face outside. Poly wins on weather resistance and weight; kraft wins on printability and the natural look. Here's how to choose — and when the answer is both.
- Bubble mailers
- Materials
- Branding
Sep 2, 2026 · 6 min
Bubble mailer sizes explained: #000 to #7, and how to pick one
The #000–#7 bubble mailer size chart is the industry standard across North America. Here's what each number means, the exact dimensions, and how to choose a size that cuts your dimensional-weight cost.
- Bubble mailers
- Sizing
- E-commerce