Description
| Need a little extra room for thicker or slightly oversized A5 items? Our C5 / A5 Plus board backed envelopes (241 × 178 mm) are rigid mailers designed to protect content that’s just too snug for standard C5.
Best for: Why they work: Key specs: If you’re shipping anything where “flat and pristine” is the goal, these are a dependable choice. |
Key Specifications & Features
| Feature | Detail |
|---|---|
| Outer Dimensions | approx. 241 × 178 mm (≈ 9.5″ × 7″) |
| Construction | 120 gsm kraft / paper shell + 950 µm rigid board backing |
| Closure | Strong peel & seal adhesive for secure, tamper-resistant packing |
| “Do Not Bend” Marking | Front printed with “Please Do Not Bend” in red for handling awareness |
| Weight & Postage Note | ~35.1 g per envelope (bulk envelope weight) |




