Padded Envelope Size Conversion
Click any row of sizes to shop our full range of great value padded envelopes.
| Internal Dimensions | External Dimensions | Postal Size | BLB Size | Arofol Size | Jiffy Size | Featherpost Size | Mail Lite Size | |
| 100 x 165mm | 120 x 175mm | Letter | 000 | 1 | JL000 | A | A/000 | |
| 120 x 215mm | 140 x 225mm | Letter | 00 | 2 | JL00 | B | B/00 | |
| 150 x 215mm | 170 x 225mm | Large Letter | 0 | 3 | JL0 | C | C/0 | |
| 180 x 265mm | 200 x 275mm | Large Letter | 1 | 4 | JL1 | D | D/1 | |
| 220 x 265mm | 240 x 275mm | Large Letter | 2 | 5 | JL2 | E | E/2 | |
| 220 x 340mm | 240 x 350mm | Large Letter | 3 | 6 | JL3 | F | F/3 | |
| 225 x 330mm | 250 x 350mm | Large Letter | 4 | 7 | JL4 | G | G/4 | |
| 270 x 360mm | 290 x 370mm | Small Parcel | 5 | 8 | JL5 | H | H/5 | |
| 300 x 445mm | 320 x 455mm | Medium Parcel | 6 | 9 | JL6 | J | J/6 | |
| 350 x 470mm | 370 x 480mm | Medium Parcel | 7 | 10 | JL7 | K | K/7 | |
| 440 x 670mm | 460 x 680mm | Medium Parcel | 8 | 12 | JL8 | L | L/8 |
Arofol Padded Envelopes
Bubble Lined Bags™
A4 Padded Envelopes
Eco-Friendly Padded Envelopes
Bubble Lined Bags are our own brand of padded envelopes, offering exceptional value and quality. Manufactured to big brand standards without the associated price tag, Bubble Lined Bags are an excellent solution for your padded mailer needs. Manufactured from high quality 92gsm paper, our Bubble Lined Bags have heat-welded edges for enhanced burst resistance, and a high-slip coating on the bubble wrap interior for quick, snag-free packing. There’s even a reliable peel and seal closure so there’s no need for additional adhesives.
It couldn’t be easier to give Bubble Lined Bags a go. When you’re on the Bubble Lined Bags page, just look out for the ‘Convert sizes to’ drop down menu to the left of the yellow Multi Add button. You’ll see the brands featured in the table above; all you need to do is select the brand you’re used to buying, click it, and you will then see your preferred brand sizing next to our corresponding products. You can then select from the ‘Size’ filter on the left hand size of the page.
Ask the experts
If you need any help at all finding the right size or style padded envelope in our range of Bubble Lined Bags, please contact us, we’d more than happy to help. eCommerce despatch operations are our speciality, so get in touch and see how we can help you today.