These are franked mail late posting envelopes. They are brand new and made of high quality. They are fully compatible with a wide range of franking machines. Late Posting Franked Mail for Franking Machines When you are on a tight deadline then our late meter posting envelopes will give you that extra time that is needed. You will not be constrained from the Royal Mail and urgent post will be able to be posted in a standard post box. Simply frank your mail and place it into one of our late meter posting envelopes. Further Information Envelope Quality Weight: 115gsm Envelope Colour: Manila Envelope Type: Late Meter Post Envelope Dimensions: C4 + 381 x 254mm Box Quantity: 250, 200, 100, 50 & 25 Envelopes Green Franking will Guarantee these Meter Posting Envelopes meet the required specifications for the Royal Mail and are of the highest quality or we will offer a full refund.