View our mailing bag products
- Grey mailing bags
- Red mailing bags
- Document enclosed envelopes
- Self-seal bubble bags
- Clear mailing bags
- Oyster featherpost bubble lined envelopes
- Oyster featherpost bubble lined envelopes
- Featherpost bubble lined envelopes
- Gold featherpost bubble lined envelopes
- Brown padded jiffy mailing bags
- Metallic foil mailers
We sell tough polythene mailing bags and plastic envelopes at the best prices online. Our huge range of polythene postal bags provides retailers, e-commerce and mail order companies all the options they need to protect products in the mail.
Our PolySure grey mailing bags are among one of our very best selling items. Sensitive items can be delivered discreetly in these opaque mail bags. Available at low cost immediately from stock with extra discounts on larger orders.
You might also want to try our polythene clear postage bags. These can be used on their own or as waterproof covers for boxes and bags being sent by post. Clear polythene postal bags allow your mailshot to make a statement on the doormat. Ship delicate products safely with high quality featherpost mailing envelopes and Jiffy bags. These mailing bags are bubble padded and protect goods during shipping. Document enclosed wallets are perfect for protecting documents such as invoices or paperwork. The wallets are available both plain and printed.
All postal bags have a tamper-proof peel and seal strip for security and are suitable for sending products by Royal Mail or courier. Whatever your needs, our packaging specialists can help you find the right solution.

PolySure grey mailing bags
Grey mailing bags are ideal for medium to light mail order use.

Red mailing bags
Bright red mailing bags with a punch handle.

Document enclosed envelopes
Document envelopes for attaching important documents.

Self seal bubble bags
Protective bubble pouches with self seal flap.

Clear mailing bags
C4 and C5 sized clear mailing bags.

Oyster featherpost bubble lined envelopes (Motted / Off white)
Lightweight, bubble lined oyster mailing bags.

Featherpost bubble lined envelopes (White / pure white)
Lightweight, bubble lined oyster mailing bags.

Gold featherpost bubble lined envelopes
Economical padded featherpost mailing bags.

Brown padded jiffy mailing bags
Jiffy mailing bags for sending valuable items in the post.

Metallic foil mailers
Metallic mailers made from a shiny silver metallic foil cast polyprop film.
PolySure grey mailing bags
- PolySure tough grey mailing sacks.
- Dark grey color conceals the contents of the grey opaque mailing bags.
- Grey mailing bags are super strength permanent self seal dispatch sacks.
- Grey mailing bags are waterproof.
- Light weight grey mailing bags.
- Each grey mailing bags includes a printed warning notice.
- Co-extruded super strength mailing sacks.
- Grey mail sacks made from 25% recycled content.
- 100% degradable grey mailing bags.
- Click here to see a polysure mailing bag close up.
- Grey mailing bags are resistant to tearing and punctures.
- Each mailing bag has a tamper evident seal.
- Grey mailing bags are suitable as a disposable postal poly bags.
- Size specification: The first measurement gives the width of the grey mailing bag. The second measurement gives the length the mailing bag. The third measurement gives the top flap of the mailing bag.



Red mailing bags with a punch handle
- Bright red polythene mailing bags with a punch handle.
- These eye catching red mailing bags are waterproof, extra light and made from double layered opaque polythene with a dense inner for maximum confidentiality.
- Extra reassuring postal security is provided by the strong high tack, tamper evident self-seal flap.
- Our red mailing bags ensure the safe transit of your products via Royal Mail.
Width | Height | Flap | Film thickness | Price per pack | Our reference | |
---|---|---|---|---|---|---|
350mm | 450mm | 80mm | 60mu 240g | Buy 250 at £25.73 | MB-RMB10-250 | Handle width 370mm, handle height 80mm. |
510mm | 610mm | 80mm | 60mu 240g | Buy 150 at £29.84 | MB-RMB20-150 | Handle width 530mm, handle height 80mm. |
610mm | 700mm | 80mm | 60mu 240g | Buy 100 at £26.69 | MB-RMB30-100 | Handle width 620mm, handle height 80mm.Try a red mailing bags (610x700x80mm) sample. |
- Red mailing bags 60 micron co-extruded red/black film.
- Each mailing bag is made from 80% recycled content, 100% recyclable.
- The top of the mailing bag has a punched handle lateral seal.
- Each bag has 2 glue strips for product return.
- Made with a tear line for ease of opening.
- The safety warning notice is printed in black.




Document enclosed envelopes
- Self adhesive documents enclosed wallets/pouches.
- These envelopes are used to enclose invoices, warranty information, packing slips, manifest logs and operating instructions.
- They are waterproof, oil proof and secure. They adhere to clean flat surfaces such as cartons, boxes, wood, glass, metal and stretch film. They are easy to peel and seal.
- They are printed red and black and make your packaging look professional.
- Click here to see a document enclosed envelope close up.
Width | Height | Size | Style | Price per pack | Our reference | |
---|---|---|---|---|---|---|
110mm 4.3" | 120mm 4.7" | A7 | Printed | Buy 1,000 at £20.24Buy 2,000 at £38.64Buy 5,000 at £92.00 | MB-DEEPRINTA7-1000 MB-DEEPRINTA7-2000 MB-DEEPRINTA7-5000 | Try a document enclosed envelopes (110x120mm) sample. |
170mm 6.7" | 120mm 4.7" | A6 | Printed | Buy 1,000 at £24.30Buy 2,000 at £47.25Buy 5,000 at £114.75 | MB-DEEPRINTA6-1000 MB-DEEPRINTA6-2000 MB-DEEPRINTA6-5000 | Try a document enclosed envelopes (170x120mm) sample. |
225mm 8.9" | 165mm 6.5" | A5 | Printed | Buy 1,000 at £39.40Buy 2,000 at £76.62Buy 5,000 at £186.07 | MB-DEEPRINTA5-1000 MB-DEEPRINTA5-2000 MB-DEEPRINTA5-5000 | |
110mm 4.3" | 120mm 4.7" | A7 | Plain | Buy 1,000 at £20.97 | MB-DEEPLAINA7-1000 | |
170mm 6.7" | 120mm 4.7" | A6 | Plain | Buy 1,000 at £32.40 | MB-DEEPLAINA6-1000 | |
225mm 8.9" | 165mm 6.5" | A5 | Plain | Buy 1,000 at £59.40 | MB-DEEPLAINA5-1000 | |
328mm 12.9" | 235mm 9.3" | A4 | Plain | Buy 500 at £56.70 | MB-DEEPLAINA4-500 |
Self seal bubble bags
- Protective bubble pouches with self seal lip.
- Bubble pouches are ideal for storing sharp abrasive items.
- Small air filled bubbles provide excellent protection against knocks and bumps to your products while in storage or transit.
- These bubble pouches have a smooth inside finish that ensures products can slide in and out easily.
- Each bubble bag includes a self adhesive lip.
Width | Height | Size | Price per pack | Our reference | |
---|---|---|---|---|---|
100mm 4" | 135mm 5" | No 1 | Buy 750 at £36.15Buy 1,500 at £70.23Buy 3,750 at £170.40 | MB-BP10-750 MB-BP10-1500 MB-BP10-3750 | |
130mm 5" | 185mm 7" | No 2 | Buy 500 at £34.98Buy 1,000 at £67.90Buy 2,500 at £164.60 | MB-BP20-500 MB-BP20-1000 MB-BP20-2500 | |
180mm 7" | 235mm 9" | No 3 | Buy 300 at £27.72Buy 600 at £53.76Buy 1,500 at £130.20 | MB-BP30-300 MB-BP30-600 MB-BP30-1500 | |
230mm 9" | 285mm 11" | No 4 | Buy 300 at £38.16Buy 600 at £73.93Buy 1,500 at £178.85 | MB-BP40-300 MB-BP40-600 MB-BP40-1500 | |
280mm 11" | 375mm 15" | No 5 | Buy 150 at £28.20Buy 300 at £54.64Buy 750 at £132.19 | MB-BP50-150 MB-BP50-300 MB-BP50-750 | |
305mm 12" | 435mm 17" | No 6 | Buy 150 at £32.24Buy 300 at £62.47Buy 750 at £151.14 | MB-BP60-150 MB-BP60-300 MB-BP60-750 | |
380mm 15" | 435mm 17" | No 7 | Buy 100 at £29.15Buy 200 at £56.59Buy 500 at £137.18 | MB-BP70-100 MB-BP70-200 MB-BP70-500 |
- Bubble pouches are suitable for packing computer disks, audio and video cassettes, CDs and DVDs.
- Artists commonly use bubble pouches to store narrow framed pictures.
- Size specification: The first measurement gives the internal width of the self seal bubble pouch. The second measurement gives the internal length the bubble pouch.
Width | Height | Flap | Film thickness | Price per pack | Our reference | |
---|---|---|---|---|---|---|
227mm 9" | 310mm 12.2" | 38mm 1.5" | 30mu 120g | Buy 1,000 at £73.28Buy 2,000 at £118.55Buy 5,000 at £247.38 | MB-CMB10-1000 MB-CMB10-2000 MB-CMB10-5000 | C4 clear mailing bags. C4 mailing bags will comfortably fit A4 sized inserts.Try a clear mailing bags (227x310+38mm) sample. |
168mm 6.3" | 230mm 9" | 38mm 1.5" | 30mu 120g | Buy 1,000 at £50.67Buy 2,000 at £84.53Buy 5,000 at £176.33 | MB-CMB20-1000 MB-CMB20-2000 MB-CMB20-5000 | C5 clear mailing bags.Try a clear mailing bags (168x230+38mm) sample. |
250mm 9.8" | 350mm 13.8" | 38mm 1.5" | 30mu 120g | Buy 1,000 at £83.19Buy 2,000 at £135.58Buy 5,000 at £282.94 | MB-CMB30-1000 MB-CMB30-2000 MB-CMB30-5000 | C4 oversized clear mailing bags. |
227mm 9" | 310mm 12.2" | 38mm 1.5" | 30mu 120g | Buy 1,000 at £79.30Buy 2,000 at £129.16Buy 5,000 at £277.06 | MB-CMB40-1000 MB-CMB40-2000 MB-CMB40-5000 | C4 blockhead clear mailing bags. Rather than being boxed as individual bags, these are welded at the top in blocks of 100 to 150 bags. |
- Clear polythene mailing bags are stronger than manilla envelopes and lighter to post and water repellent.
- Clear polythene mailing envelopes made from polythene.
- All polythene mailing bags have a flap and permanent self seal strip.
- These clear mailing bags offer substantial savings in postage as they are lighter than paper, waterproof and strong.
- Size specification: The first measurement gives the width of the clear mailing bag. The second measurement gives the length the mailing bag. The third measurement gives the top flap of the mailing bag.
Oyster featherpost bubble lined envelopes (Motted / Off white)
- Oyster featherpost bags are made from a durable Oyster material is stronger and better for heavy duty use.
- White oyster padded mailing envelopes are designed as a lighter weight postal bag for large volume mailings.
- The outer paper of the oyster padded mailing envelope is polyethylene coated making it resistant to tearing and puncturing.
- Oyster padded mailing envelopes are manufactured with a peel and seal strip.
- Click here to see a oyster featherpost mailing bag close up.
Internal opening | Internal height | Size | Price per box | Our reference | |
---|---|---|---|---|---|
110mm 4.3" | 165mm 6.5" | A | Buy 200 at £20.53Buy 400 at £40.15Buy 1,000 at £98.87 | MB-OFA-200 MB-OFA-400 MB-OFA-1000 | |
120mm 4.7" | 215mm 8.5" | B | Buy 200 at £23.42Buy 400 at £45.80Buy 1,000 at £112.78 | MB-OFB-200 MB-OFB-400 MB-OFB-1000 | |
180mm 7" | 265mm 10.4" | D | Buy 100 at £16.74Buy 200 at £32.74Buy 500 at £80.60 | MB-OFD-100 MB-OFD-200 MB-OFD-500 | |
220mm 8.7" | 265mm 10.4" | E | Buy 100 at £18.86Buy 200 at £36.88Buy 500 at £90.81 | MB-OFE-100 MB-OFE-200 MB-OFE-500 | |
220mm 8.7" | 335mm 13.2" | F | Buy 100 at £22.15Buy 200 at £43.32Buy 500 at £106.67 | MB-OFF-100 MB-OFF-200 MB-OFF-500 | |
240mm 9.4" | 335mm 13.2" | G | Buy 100 at £23.33Buy 200 at £45.62Buy 500 at £112.32 | MB-OFG-100 MB-OFG-200 MB-OFG-500 | |
300mm 11.8" | 445mm 17.5" | J | Buy 50 at £21.10Buy 100 at £41.26Buy 250 at £101.60 | MB-OFJ-50 MB-OFJ-100 MB-OFJ-250 | |
350mm 13.8" | 470mm 18.5" | K | Buy 50 at £24.54Buy 100 at £48.00Buy 250 at £118.17 | MB-OFK-50 MB-OFK-100 MB-OFK-250 |
Featherpost bubble lined envelopes (White / pure white)
- Featherpost bags are lined with bubble material with a special air retention barrier to seal every bubble.
- The featherpost bags have a peel and seal strip for easy closure.
- These featherpost bags have a high slip bubble inner liner for packing ease.
Internal opening | Internal height | Bag number | Price per pack | Our reference | |
---|---|---|---|---|---|
110mm 4.3" | 165mm 6.5" | A | Buy 200 at £20.53Buy 400 at £40.15Buy 1,000 at £98.87 | MB-FA-200 MB-FA-400 MB-FA-1000 | |
120mm 4.7" | 215mm 8.5" | B | Buy 200 at £23.42Buy 400 at £45.80Buy 1,000 at £112.78 | MB-FB-200 MB-FB-400 MB-FB-1000 | |
150mm 5.9" | 215mm 8.5" | C | Buy 100 at £13.81Buy 200 at £27.01Buy 500 at £66.50 | MB-FC-100 MB-FC-200 MB-FC-500 | |
180mm 7" | 265mm 10.4" | D | Buy 100 at £16.74Buy 200 at £32.74Buy 500 at £80.60 | MB-FD-100 MB-FD-200 MB-FD-500 | |
220mm 8.7" | 335mm 13.2" | F | Buy 100 at £22.15Buy 200 at £43.32Buy 500 at £106.67 | MB-FF-100 MB-FF-200 MB-FF-500 | |
270mm 10.6" | 360mm 14.2" | H | Buy 100 at £30.46Buy 200 at £59.56Buy 500 at £146.64 | MB-FH-100 MB-FH-200 MB-FH-500 |
Gold featherpost bubble lined envelopes
- Lightweight, bubble lined featherpost bags available in a variety of sizes.
- Featherpost bags offer great protection for your items at a great price!
- These featherpost bags have a smooth inside finish that ensures that products can slide in and out easily.
- Royal Mail size based pricing structures: letter, large letter or packet.
- Click here to see a gold featherpost mailing bag close up.

Metallic foil mailers
- These metallic foil mailers are the strongest mailer we do.
- These metallic foil mailers are manufactured from strong 70 micron film.
- Metallic foil mailers are made from a shiny silver metallic foil cast polyprop film that is then colour printed.
Width | Height | Flap | Film thickness | Price per pack | Our reference | |
---|---|---|---|---|---|---|
120mm 4.7" | 160mm 6.3" | 40mm 1.6" | 70mu 280g | Buy 1,000 at £75.20 | MB-MF1-1000 | |
165mm 6.5" | 230mm 9" | 40mm 1.6" | 70mu 280g | Buy 500 at £52.00 | MB-MF2-500 | |
230mm 9" | 230mm 9" | 40mm 1.6" | 70mu 280g | Buy 500 at £55.20 | MB-MF3-500 | |
230mm 9" | 310mm 12" | 40mm 1.6" | 70mu 280g | Buy 500 at £60.00 | MB-MF4-500 | |
310mm 12" | 230mm 9" | 40mm 1.6" | 70mu 280g | Buy 500 at £26.10 | MB-MF5-500 | |
350mm 13.78" | 400mm 15.75" | 40mm 1.6" | 70mu 280g | Buy 500 at £116.25 | MB-MF6-500 | |
400mm 15.75" | 525mm 20.67" | 40mm 1.6" | 70mu 280g | Buy 100 at £29.75 | MB-MF7-100 |
- These metallic foil mailers really stand out from the crowd.
- The lip on the metallic mailers incorporates a strong permanent glue strip to seal the bag.
- Size specification: The first measurement gives the width of the metallic foil mailer. The second measurement gives the length the mailer. The third measurement gives the top flap of the mailer.