Secure your important documents with these Postmaster C4 Catalogue Envelopes, designed specifically to hold unfolded A4 paper. Manufactured in the UK from bright white 100GSM paper, these envelopes offer a professional and sustainable mailing solution for businesses and individuals.

• Perfectly Sized for A4: C4 envelope designed to take sheets of A4 paper unfolded.
• Postage Efficiency: Designed to be sent using a single Large Letter 1st Class or 2nd Class Stamp (max 100g).
• Privacy Protection: Opaque blue pattern printed on the inside makes contents difficult to see through.
• Hygienic & Fast Closure: Features a Self Seal closing mechanism for a secure, hassle-free seal without licking or peeling.
• Sustainable Sourcing: PEFC-Certified, demonstrating commitment to sustainable forest management.
• Quality UK Manufacturing: Made in the UK using quality 100GSM paper suitable for writing on, labelling, or use with most household & office printers.

These envelopes are suitable for Anytime, Business, or Formal occasions.

• Brand: Postmaster
• Product Type: Catalogue Envelope (No Window)
• Size: A4 (Dimensions: 33.4L x 22.9W centimetres)
• Quantity: 100 Items per pack
• Paper Weight: 100 GSM
• Colour: White
• Closure: Self Seal
• Material: Paper
• Certification: PEFC-Certified
• Origin: Made in the UK

The durable 100GSM paper allows for direct writing or labelling, and is compatible with most office and household printers. Postmaster envelopes are trusted by High Street Banks and the Health Service throughout the UK.