• High Quality Strong Self Seal adhesive strip 10mm wide, gives an extra security.
• Lightweight - Saves your money by reducing postage cost.
• Gives a professional finish to your parcel.
• Can apply sticky labels to write an address (if required), Quick and Easy packaging.
• Peel and seal
• Board backed to protect fragile/important documents or contents in transit
• Size: C4 324mm x 229mm approx
• Weight: 120gsm
• Sold as a single envelope
• UK Letter Size: Large letter up to 750g in weight

Check out the Royal Mail size guide for information on sizes and weights for postage by clicking here.