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UK Office Direct£18.71Visit shop 5 Star Office Envelopes PEFC Pocket Self Seal Window Pk 500 -
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The 5 Star Office C5 Envelopes (M90017) are an ideal mailing solution for busy professional environments, small businesses, and home offices that require a streamlined, secure way to send A5 documents. These envelopes feature a user-friendly self-seal closure and a precision-cut window for recipient addresses, significantly reducing preparation time for mass mailings. While they offer excellent convenience and document security through their opaque interior, users should note that the 90gsm paper weight is standard for general correspondence and may not be suitable for oversized or heavy-duty documents that require extra protection.
| Model Part Number | M90017 |
|---|---|
| Brand | 5 Star Office |
These are standard C5 size envelopes, designed to hold A5 paper or A4 paper folded in half.
Yes, it features a blue opaque interior to obscure the contents during transit.
While these envelopes are designed for insertion, they are not specifically coated for high-speed laser printer ingestion. We recommend feeding them manually or using a compatible printer tray if necessary.
Yes, they are PEFC certified, which ensures the paper is sourced from sustainably managed forests.
Each box contains 500 envelopes.
Yes, the pressure-sensitive adhesive provides a secure and permanent seal once correctly applied.
Ensure the envelope is at room temperature and apply firm, consistent pressure across the entire length of the adhesive strip.
Verify your document folding technique; if using A4 paper, ensure it is folded exactly in half to place the address in the top-right quadrant.
Proper storage is essential to maintain the integrity of the self-seal strip. Store the box in a cool, dry environment, as humidity or excessive heat can degrade the adhesive over time. When printing or preparing documents, verify that your printer margins match the window position of 62mm in and 25mm up from the corner of the envelope. If you are using a mail-merge software, you can create a custom template for these dimensions to ensure addresses consistently align with the window frame. Avoid exposing the adhesive strip to dust or debris prior to sealing, as this will prevent a secure closure.
