


You are purchasing a pack of 50 x size M1 expandable tenvolopes (Also known as M-Envelopes / M-Folders / M-Cartons), 100% recycled and 100% recyclable - as widely used by amazon.
M-envelopes are unique peel and seal postal cartons that are length adjustable, width adjustable and depth adjustable. The length, width and depth can all be adjusted as explained below, and as visible in the video attached to this listing. Note that as the width and length increases, the depth decreases. Easy to pack with peel & seal strips, and an easy opening rippa strip for customers to easily open the package. The structure of this packaging creates one of the most robust ways to send items in the post or via courier, avoiding damage to items from occurring, yet presenting a lightweight solution.
M1 tenvolope size: (219-289) x (155-226) x (70-1)mm
Length: minimum 219mm, maximum 289mm
Width: minimum 155mm, maximum 226mm
Depth: minimum 1mm, maximum 70mm
Lightweight yet extremely strong once sealed, protecting items and protecting corners.
Easy to pack, with aggressive hot melt peel and seal strips.
|
Product specs |
|
|
Product type / size |
Tenvolope M-envelopes size M1 |
|
Measurements (int) |
(219-289)x(155-226)x(1-70)mm |
|
Weight per carton |
55g |
|
Royal mail size |
Large letter (when depth less than 25mm) |
|
Quantity |
50 |
Delivery to mainland uk is free via next working day courier - includes England, Wales, Scottish lowlands (see map below - zones A&B)

Please call/email for a quote on courier delivery to zones C,D&E - Northern Ireland, Southern Ireland, Scottish Highlands, Isle of man, Isle of Wight, Scilly Isles (see map above)
All orders placed by 3pm (Mon – Fri) will be dispatched on the same day
Note that courier companies do not guarantee delivery on weekends
Collection is available from our 60,000 sq ft warehouse in Hayes, Middlesex. Please feel free to visit anytime between 9am-5.30pm Mon-Fri.

Our aim is to keep our customers 100% happy. If for any reason you are not happy with the product, we will issue a full refund (excluding P&P) upon receipt of the returned goods - no questions asked. This applies for 60 days after purchase.
If you are unhappy with any of our products or services, please always e-mail us or call us prior to leaving any negative or neutral feedback, and allow us a chance to resolve.
Our lines are open between 9am-5:30pm Mon-Fri, and we respond to all emails within these hours. Please note we are closed on weekends. Hence if you email on the weekend, you will receive a response on Monday.