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 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.

Oyster featherpost mailing bags
Oyster featherpost bubble lined envelopes (Motted / Off white)

Lightweight, bubble lined oyster mailing bags.

Oyster featherpost mailing bags
Featherpost bubble lined envelopes (White / pure white)

Lightweight, bubble lined oyster mailing bags.

Gold featherpost bags
Gold featherpost bubble lined envelopes

Economical padded featherpost mailing bags.

Padded jiffy mailing bags
Brown padded jiffy mailing bags

Jiffy mailing bags for sending valuable items in the post.

Seal seal bubble pouches
Self seal bubble bags

Protective bubble pouches with self seal flap.

Document enclosed envelopes
Document enclosed envelopes

Document envelopes for attaching important documents.

Grey mailing bag
PolySure grey mailing bags

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

Clear mailing bags
Clear mailing bags

C4 and C5 sized clear mailing bags.

Metallic foil mailers
Metallic foil mailers

Metallic mailers made from a shiny silver metallic foil cast polyprop film.

Oyster featherpost mailing bags

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"
ABuy 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"
BBuy 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"
DBuy 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"
EBuy 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"
FBuy 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"
GBuy 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"
JBuy 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"
KBuy 50 at £24.54Buy 100 at £48.00Buy 250 at £118.17
MB-OFK-50
MB-OFK-100
MB-OFK-250
Oyster featherpost mailing bags

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"
ABuy 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"
BBuy 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"
CBuy 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"
DBuy 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"
FBuy 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"
HBuy 100 at £30.46Buy 200 at £59.56Buy 500 at £146.64
MB-FH-100
MB-FH-200
MB-FH-500
Gold featherpost envelopes

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.
Internal opening Internal height Size Price per pack Our reference
110mm
4.3"
165mm
6.5"
ABuy 200 at £18.67Buy 400 at £36.51Buy 1,000 at £89.90
MB-GA-200
MB-GA-400
MB-GA-1000
Ideal for mobile phones or jewellery.
120mm
4.7"
215mm
8.5"
BBuy 200 at £21.29Buy 400 at £41.63Buy 1,000 at £102.51
MB-GB-200
MB-GB-400
MB-GB-1000
For small accessories.
150mm
5.9"
215mm
8.5"
CBuy 100 at £12.56Buy 200 at £24.55Buy 500 at £60.45
MB-GC-100
MB-GC-200
MB-GC-500
Good for CDs or small items such as ink cartridges.
180mm
7"
265mm
10.4"
DBuy 100 at £15.21Buy 200 at £29.75Buy 500 at £73.26
MB-GD-100
MB-GD-200
MB-GD-500
For sending a CD jewel cases.
220mm
8.7"
265mm
10.4"
EBuy 100 at £17.15Buy 200 at £33.53Buy 500 at £82.55
MB-GE-100
MB-GE-200
MB-GE-500
For small books and electrical components.
220mm
8.7"
335mm
13.2"
FBuy 100 at £20.14Buy 200 at £39.39Buy 500 at £96.98
MB-GF-100
MB-GF-200
MB-GF-500
For small books and gifts.
240mm
9.4"
335mm
13.2"
GBuy 100 at £21.21Buy 200 at £41.47Buy 500 at £102.12
MB-GG-100
MB-GG-200
MB-GG-500
For larger books and A4 paperwork.
270mm
10.6"
360mm
14.2"
HBuy 100 at £27.69Buy 200 at £54.15Buy 500 at £133.32
MB-GH-100
MB-GH-200
MB-GH-500
For A4 sized documents and presentations.
300mm
11.8"
445mm
17.5"
JBuy 50 at £19.18Buy 100 at £37.51Buy 250 at £92.37
MB-GJ-50
MB-GJ-100
MB-GJ-250
For larger than A4 documents or thick brochures.
350mm
13.8"
470mm
18.5"
KBuy 50 at £22.32Buy 100 at £43.64Buy 250 at £107.45
MB-GK-50
MB-GK-100
MB-GK-250
For large files or bulky items.
Padded jiffy mailing bags

Brown padded jiffy mailing bags

  • Jiffy bags are lined with bubble material with a special air retention barrier to seal every bubble.
  • The jiffy bags have a peel and seal strip for easy closure.
  • These jiffy bags have a high slip bubble inner liner for packing ease.
Internal opening Internal height Bag number Price per pack Our reference
105mm
4.1"
229mm
9"
PJB00Buy 200 at £35.61Buy 400 at £69.64Buy 1,000 at £171.47
MB-J10-200
MB-J10-400
MB-J10-1000
135mm
5.3"
229mm
9"
PJB0Buy 200 at £38.39Buy 400 at £75.08Buy 1,000 at £184.86
MB-J20-200
MB-J20-400
MB-J20-1000
165mm
6.5"
280mm
11"
PJB1Buy 100 at £28.67Buy 200 at £56.07Buy 500 at £138.06
MB-J30-100
MB-J30-200
MB-J30-500
195mm
7.7"
280mm
11"
PJB2Buy 100 at £28.67Buy 200 at £56.07Buy 500 at £138.06
MB-J40-100
MB-J40-200
MB-J40-500
195mm
7.7"
343mm
13.5"
PJB3Buy 100 at £34.68Buy 200 at £67.82Buy 500 at £166.99
MB-J50-100
MB-J50-200
MB-J50-500
225mm
8.9"
343mm
13.5"
PJB4Buy 100 at £38.37Buy 200 at £75.03Buy 500 at £184.73
MB-J60-100
MB-J60-200
MB-J60-500
245mm
9.6"
381mm
15"
PJB5Buy 100 at £46.91Buy 200 at £91.74Buy 500 at £225.88
MB-J70-100
MB-J70-200
MB-J70-500
295mm
11.6"
458mm
18"
PJB6Buy 50 at £33.21Buy 100 at £64.94Buy 250 at £159.90
MB-J80-50
MB-J80-100
MB-J80-250
341mm
13.4"
483mm
19"
PJB7Buy 50 at £37.13Buy 100 at £72.60Buy 250 at £178.75
MB-J90-50
MB-J90-100
MB-J90-250
Self seal bubble bags

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.
Opening Height Size Price per pack Our reference
100mm
4"
135mm
5"
No 1Buy 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 2Buy 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 3Buy 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 4Buy 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 5Buy 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 6Buy 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 7Buy 100 at £29.15Buy 200 at £56.59Buy 500 at £137.18
MB-BP70-100
MB-BP70-200
MB-BP70-500
Document enclosed envelopes

Document enclosed envelopes

  • Self adhesive documents enclosed wallets/pouches.
  • Document envelopes are used to enclose invoices and advice notes.
  • Document envelopes are waterproof, oil proof and secure.
  • Document envelopes makes your packaging look professional.
  • Document envelopes are printed red and black.
  • These document envelopes are easy to peel and seal.
  • Click here to see a document enclosed envelope A7 close up.
Opening Height Size Style Price per pack Our reference
110mm
4.3"
120mm
4.7"
A7PrintedBuy 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"
A6PrintedBuy 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"
A5PrintedBuy 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"
A7PlainBuy 1,000 at £20.97
MB-DEEPLAINA7-1000
170mm
6.7"
120mm
4.7"
A6PlainBuy 1,000 at £32.40
MB-DEEPLAINA6-1000
225mm
8.9"
165mm
6.5"
A5PlainBuy 1,000 at £59.40
MB-DEEPLAINA5-1000
328mm
12.9"
235mm
9.3"
A4PlainBuy 500 at £56.70
MB-DEEPLAINA4-500
Polysure grey opaque mailing bag

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.
Opening Height Flap Film thickness Reference Price per pack Our reference
250mm
9.8"
300mm
11.8"
40mm
1.6"
50mu
200g
TP01PBuy 1,000 at £32.90Buy 2,000 at £63.45Buy 5,000 at £152.75
MB-GTP01P-1000
MB-GTP01P-2000
MB-GTP01P-5000
Try a grey mailing bags (250x300+40mm) sample.
300mm
11.8"
350mm
13.8"
40mm
1.6"
50mu
200g
TP05PBuy 1,000 at £46.90Buy 2,000 at £90.45Buy 5,000 at £217.75
MB-GTP05P-1000
MB-GTP05P-2000
MB-GTP05P-5000
Try a grey mailing bags (300x350+40mm) sample.
350mm
13.8"
400mm
15.7"
40mm
1.6"
50mu
200g
TP10PBuy 500 at £28.70Buy 1,000 at £55.35Buy 2,500 at £133.25
MB-GTP10P-500
MB-GTP10P-1000
MB-GTP10P-2500
Try a grey mailing bags (350x400+40mm) sample.
400mm
15.7"
525mm
20.7"
40mm
1.6"
55mu
220g
TP15PBuy 500 at £46.55Buy 1,000 at £89.78Buy 2,500 at £216.13
MB-GTP15P-500
MB-GTP15P-1000
MB-GTP15P-2500
Try a grey mailing bags (400x525+40mm) sample.
525mm
20.7"
600mm
23.6"
40mm
1.6"
60mu
240g
TP20PBuy 200 at £30.30Buy 400 at £56.56Buy 1,000 at £136.35
MB-GTP20P-200
MB-GTP20P-400
MB-GTP20P-1000
Try a grey mailing bags (525x600+40mm) sample.
600mm
23.6"
700mm
27.6"
40mm
1.6"
60mu
240g
TP25PBuy 200 at £40.02Buy 400 at £74.70Buy 1,000 at £180.09
MB-GTP25P-200
MB-GTP25P-400
MB-GTP25P-1000
Try a grey mailing bags (600x700+40mm) sample.
700mm
27.6"
800mm
31.5"
40mm
1.6"
60mu
240g
TP30PBuy 150 at £36.45Buy 300 at £68.04Buy 750 at £164.03
MB-GTP30P-150
MB-GTP30P-300
MB-GTP30P-750
Try a grey mailing bags (700x800+40mm) sample.
830mm
32.7"
1050mm
41.3"
60mm
2.4"
45mu
180g
TP90PBuy 100 at £33.18Buy 200 at £61.94Buy 500 at £149.31
MB-GTP90P-100
MB-GTP90P-200
MB-GTP90P-500
Try a grey mailing bags (830x1050+60mm) sample.
Clear mailing bags

Clear mailing bags

  • Clear polythene mailing bags with permanent self seal strip.
  • Clear mailing bags are suitable catalogues, booklets and single sheet mailings.
  • Clear mailing bags are ideal for lightweight (up to 250 grams) catalogues, brochures, magazines or flyers.
Opening 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. Try a clear mailing bags (250x350+38mm) sample.
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.
  • Size specification: The second measurement gives the length the clear mailing bag.
  • Size specification: The third measurement gives the top flap of the clear mailing bag.
  • Tags: plastic mailing bags, postage mailing bags, plastic postage bags, polythene mailing bags, clear mailing envelopes, clear mailing bags, clear bag envelopes
Metallic foil mailers

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.
Opening 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 mailers.
  • Size specification: The second measurement gives the length the metallic foil mailers.
  • Size specification: The third measurement gives the top flap of the metallic foil mailers.
  • Tags: metallic foil mailers, foil mailers, metallic mailing bags, foil mail bags, foil mailing bags
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