As sustainability becomes a priority, understanding recycling symbols is crucial for both businesses and consumers. These symbols help identify how different packaging materials, including envelopes, should be disposed of responsibly.
Creating your own envelopes is a simple and fun DIY project! Whether you need an envelope for a greeting card, invitation, or a unique touch for a handmade note, this guide will show you how to make an envelope using materials like white paper, coloured card, scissors, double sided tape or glue, card blanks, and a ruler.
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Here you will find detailed information including sizes and costs for sending standard letters and large letters with Royal Mail.
Royal Mail Size & Weight Guide For Letters
Max Weight | Max Length | Max Width | Max Thickness | |
---|---|---|---|---|
Letter | 100g | 24cm | 16.5cm | 5mm |
Large Letter | 750g | 35.3cm | 25cm | 2.5cm |
Letters
Ideal for mailing greeting cards, regular letters and postcards, the maximum size that would fall under a 'letter' is 165 mm x 240 mm. We would recommend using an envelope no larger than C5 to fit these restrictions comfortably and avoid any excess costs. The envelope and contents must also weigh under 100g.
Recommended envelope sizes
Cost for sending a letter
Service | Price |
---|---|
1st Class | £1.65 |
2nd Class | 85p |
Large Letters
For mailing contents such as A4 sized documents, DVDs, certificates, large greeting cards and magazines you would need to send as a large letter. The maximum size is 250 mm x 353 mm and and a maximum weight of 750g so a C4 envelope is a good choice.
Recommended envelope sizes for a large letter
Cost for sending a large letter
Weight | 1st Class | 2nd Class |
---|---|---|
up to 100g | £2.60 | £1.55 |
101g to 250g | £3.50 | £2.10 |
251g to 500g | £3.50 | £2.50 |
501g to 750g | £3.50 | £2.70 |