Description
| Our C5 / A5 PiP board backed envelopes (approx. 238 × 163 mm) are a versatile rigid mailer for medium-sized flat items—ideal when you want better protection than a standard paper envelope.
Great for: Protection you can rely on: Specifications: A practical “everyday rigid mailer” for businesses that ship A5-sized content regularly. |
Key Features & Specifications
| Feature | Description |
|---|---|
| External Size | 238 × 163 mm (approx 9.37″ × 6.42″) |
| Paper & Board | 120 gsm paper shell / 950 μm board backing |
| Weight / Mailing Class | ~31.6 g per envelope, falls into Royal Mail “Standard / Small Letter” category when within weight limits |
| Closure / Seal | Strong peel & seal design for fast, secure mailing |
| Order Options | Sample units up to large bulk packs (e.g. 125, 500, 1000, 2000, 5000) |




