12 x 17 to 15 x 20 Mailing & Postal Bags

In this category we have mailing bags and postal bags which fall within the sizes of approx:

320 x 440mm + Peal & Seal Lip  -  12.6 inches x 17.3 inches + Peal & Seal Lip

400 x 525mm + Peal & Seal Lip  -  15.7 inches x 20.6 inches + Peal & Seal Lip

Royal Mail base their postal charges on size as well as weight, and have recently introduced some new sizes. Ensure you keep your postage costs to a minimum by selecting the most suitable products from our range.  To learn more about the new Royal Mail Pricing in Proportion rates, click HERE.

MANUFACTURING TRADE TOLERANCES ON MAILING BAGS

Specification:  All sizes and thicknesses are approximate.  Standard tolerances are in line with industry standards.  However, note in particular that bag width may vary by +/-3mm or +/-3% and bag depth by +/-3mm or +/-3% which ever is the greater.  Where size is critical, a sample of the product to be packed must be submitted to us in order to agree size tolerances before the acceptance of your order.

Thickness/Gauge/(mu):  +/-10% by weight.
 
Quantity Variation:  The quantity despatched and charged for and to be regarded as completion of order (subject to part shipped orders) may vary from that ordered by +/-10%.  All mailing bags are labelled as approx in line with the industry standards.  If you require that your packs of mailing bags are supllied as exact qty figures, ie 50 or 100 etc, then please Get In Touch for details.

Returnamailer - Reusable Mailing Bag - 350 x 500mm + Lip, Qty 25

Returnamailer - Reusable Mailing Bag - 350 x 500mm + Lip, Qty 25

 RETURN-3

I contain a minimum of 30% recycled plastic! RETURNAMAILER® Containing 30% recycled pl..

£4.38 or less

Bubble Bag Inserts - 305 x 406mm - 12 x 16 - Qty 10

Bubble Bag Inserts - 305 x 406mm - 12 x 16 - Qty 10

 PPP/BB/Insert/3

Use our clear bubble bag inserts to reduce your packing time and waste.  Does away with the has..

£2.25 or less

Grey Eco Mailing Bags 14 x 16, 350 x 400 + 40mm Lip  Child Safety Warning  - Qty 100

Grey Eco Mailing Bags 14 x 16, 350 x 400 + 40mm Lip Child Safety Warning - Qty 100

 PPP-10-P/L

If you want to be sure that you are doing your part in helping the environment, then these are the m..

£7.85 or less

White Mailing Bags With Handles 12 x 17, 305 x 430 + Lip, Qty 50

White Mailing Bags With Handles 12 x 17, 305 x 430 + Lip, Qty 50

 CX121760POH

Strong white mailing bags with handles. These are multi use bags, designed to allow easy handling. T..

£5.38 or less

Brown Mailing Bags 14 x 20, 350 x 500 + Lip - Qty 500

Brown Mailing Bags 14 x 20, 350 x 500 + Lip - Qty 500

 PPP-CB-4/CX

These brown mailing bags have been part of our stock line for around 5 years now and have been a gre..

£47.50 or less

Bubble Bag Inserts - 346 x 500mm - 13.6 x 20 - Qty 10

Bubble Bag Inserts - 346 x 500mm - 13.6 x 20 - Qty 10

 PPP/BB/Insert/4

Use our clear bubble bag inserts to reduce your packing time and waste.  Does away with the has..

£2.00 or less

Cream Mailing Bags 14 x 20, 350 x 500 + Lip, Qty 500

Cream Mailing Bags 14 x 20, 350 x 500 + Lip, Qty 500

 PPP-CREAM-4

I contain a minimum of 30% recycled plastic! Containing a minimum of 30% Post Consumer Waste Plas..

£50.00 or less

Grey Eco Mailing Bags 14 x 20, 350 x 500 + Lip Child Safety Warning - Qty 500

Grey Eco Mailing Bags 14 x 20, 350 x 500 + Lip Child Safety Warning - Qty 500

 PPP-13-P/L

If you want to be sure that you are doing your part in helping the environment, then these are the m..

£43.75 or less

Heavy Duty Red Mailing Bags 14 x 20, 350 x 500 + Lip, Qty 250

Heavy Duty Red Mailing Bags 14 x 20, 350 x 500 + Lip, Qty 250

 RED-3/HD

These Heavy Duty Vibrant Red Mailing Bags are brand new for 2016.  Not only are they a nice bri..

£37.50 or less

Heavy Duty White Mailing Bags 12 x 16, 305 x 406 + Lip - Qty 50

Heavy Duty White Mailing Bags 12 x 16, 305 x 406 + Lip - Qty 50

 CX121675

I contain a minimum of 30% recycled plastic! Thicker non see through mailers manufactured in ..

£5.00 or less

Orange Mailing Bags 14 x 20, 350 x 500 + Lip - Qty 500

Orange Mailing Bags 14 x 20, 350 x 500 + Lip - Qty 500

 PPP-ORANGE-R2

Bright Sunburst Orange Mailing bags from Poly Postal Packaging.  If you want your mail order pa..

£47.50 or less

Purple Mailing Bags 13 X 19, 350 x 500mm + Lip - Qty 25

Purple Mailing Bags 13 X 19, 350 x 500mm + Lip - Qty 25

 PURP-4

Poly Postal Packaging manufacture 2 versions of a Purple Mailing Bag.  Both are very popula..

£2.75 or less

Red Mailing Bags 14 x 20, 350 x 500 + Lip, Qty 25

Red Mailing Bags 14 x 20, 350 x 500 + Lip, Qty 25

 RED-3

I contain a minimum of 30% recycled plastic! Containing a minimum of 30% Post Consumer Waste Plas..

£3.75 or less

Reusable Mailing Bags 13 x 19, 330 x 485 + Lip - Qty 50

Reusable Mailing Bags 13 x 19, 330 x 485 + Lip - Qty 50

 DEG-3

Advice & Usage Guide Use;  The bags will arrive folded or laid flat in an outer Carton.&..

£11.25 or less

White Mailing Bags 14 x 20, 350 x 500 + Lip - Qty 100

White Mailing Bags 14 x 20, 350 x 500 + Lip - Qty 100

 CX142060

I contain a minimum of 30% recycled plastic! Medium weight White Mailing Bags.  Containing a..

£10.00 or less

White Mailing Bags With Handles 16 x 20, 400 x 530 + Lip - Qty 50

White Mailing Bags With Handles 16 x 20, 400 x 530 + Lip - Qty 50

 CX162060POH

Strong white mailing bags with handles. These are multi use bags, designed to allow easy handling. T..

£8.75 or less

Baby Blue Mailing Bags 13 x 19, 330 x 485 + Lip - Qty 50

Baby Blue Mailing Bags 13 x 19, 330 x 485 + Lip - Qty 50

 PPP-BB-3

Bright Blue mailing bags or Baby Blue mailing bags as we call them have been part of our stock ran..

£6.00 or less

Black Mailing Bags 12.5 x 17, 320 x 440 + Lip - Qty 50

Black Mailing Bags 12.5 x 17, 320 x 440 + Lip - Qty 50

 PPP-B4-5

These bags are 100% recyclable and now contain a min 30% of post consumer recycled plastic. If yo..

£5.00 or less

Bubble Bag Inserts - 420 x 520mm - 16.5 x 20 - Qty 10

Bubble Bag Inserts - 420 x 520mm - 16.5 x 20 - Qty 10

 PPP/BB/Insert/5

Use our clear bubble bag inserts to reduce your packing time and waste.  Does away with the has..

£3.50 or less

Burgundy Mailing Bags 14 x 20, 350 x 500 + 50mm Lip, Qty 500

Burgundy Mailing Bags 14 x 20, 350 x 500 + 50mm Lip, Qty 500

 PPP-BG-4

I contain a minimum of 30% recycled plastic! Containing a minimum of 30% Post Consumer Waste Plas..

£51.25 or less

Gold Mailing Bags 14 x 20, 350 x 500mm + Lip - Qty 25

Gold Mailing Bags 14 x 20, 350 x 500mm + Lip - Qty 25

 PPP-GOLD-5

I contain a minimum of 30% recycled plastic! Containing a minimum of 30% Post Consumer Waste Plas..

£2.95 or less

Grey Recycled Mailing Bags 10 x 19, 250 x 485 + Lip, Qty 500

Grey Recycled Mailing Bags 10 x 19, 250 x 485 + Lip, Qty 500

 PPP-19

Our stock grey mailing bags are our biggest range of bags and our most popular.  With the bigge..

£31.25 or less

Heavy Duty Pink Mailing Bags 14 x 20, 350 x 500 + Lip, Qty 250

Heavy Duty Pink Mailing Bags 14 x 20, 350 x 500 + Lip, Qty 250

 PPP-P4/HD

These Heavy Duty Vibrant Pink Mailing Bags were introduced into our stock range in 2014.  Not o..

£37.50 or less

Metallic Silver Holographic Foil Mailing Bags (430 x 320mm) [C3] + Lip

Metallic Silver Holographic Foil Mailing Bags (430 x 320mm) [C3] + Lip

 SS/C3/HOLOGSILVER

Packed in 20s. Dimensions:  320 x 430 mm  (12 5/8" x 16 7/8") Standard Size:..

£5.00 or less

Pink Mailing Bags 13 x 17, 320 x 440mm + Lip, Qty 500

Pink Mailing Bags 13 x 17, 320 x 440mm + Lip, Qty 500

 PPP-P4

I contain a minimum of 30% recycled plastic! Vibrant Pink Mailing Bags have been part of our stoc..

£37.50 or less

Silver Mailing Bags 14 x 20, 350 x 500mm + Lip, Qty 500

Silver Mailing Bags 14 x 20, 350 x 500mm + Lip, Qty 500

 PPP-SIL-4/CX

Poly Postal Packaging have been manufacturing and stocking our Silver Mailing Bags now for about 8 y..

£50.00 or less

Yellow Mailing Bags 14 x 20, 350 x 500 + Lip, Qty 500

Yellow Mailing Bags 14 x 20, 350 x 500 + Lip, Qty 500

 PPP-YELLOW-R2

Bright Yellow Mailing bags from Poly Postal Packaging.  If you want your mail order packages to..

£47.50 or less

35mu Clear LDPE Bags PWN 355 x 431 + 50mm Lip Perm SAS - Qty 100

35mu Clear LDPE Bags PWN 355 x 431 + 50mm Lip Perm SAS - Qty 100

 LDSB-3

I contain a minimum of 30% recycled plastic! Containing a minimum of 30% Post Consumer Wa..

£6.25 or less

Black Mailing Bags 14 x 20, 355 x 508 + Lip - Qty 25

Black Mailing Bags 14 x 20, 355 x 508 + Lip - Qty 25

 PPP-B5

These bags are 100% recyclable and now contain a min 30% of post consumer recycled plastic. If yo..

£4.37 or less

Bubble Bag Inserts 540 x 740mm 21 x 29" - Qty 10

Bubble Bag Inserts 540 x 740mm 21 x 29" - Qty 10

 PPP/BB/Insert/6

Use our clear bubble bag inserts to reduce your packing time and waste.  Does away with the has..

£5.50 or less

Bubble Bag Inserts 600 x 600mm 24 x 24" - 10 Bags Per Pack

Bubble Bag Inserts 600 x 600mm 24 x 24" - 10 Bags Per Pack

 PPP/BB/Insert/6-5

Use our clear bubble bag inserts to reduce your packing time and waste.  Does away with the has..

£6.50 or less

Clear 30% Recycled LDPE Garment Bags 14 x 17 + Lip, 355 x 431mm + Lip - Qty 100

Clear 30% Recycled LDPE Garment Bags 14 x 17 + Lip, 355 x 431mm + Lip - Qty 100

 RSLDSB-3

I contain a minimum of 30% recycled plastic! Containing a minimum of 30% Post Consumer Wast..

£6.25 or less

Heavy Duty Grey Mailing Bags 14 x 21, 350 x 525 + Lip, Qty 25

Heavy Duty Grey Mailing Bags 14 x 21, 350 x 525 + Lip, Qty 25

 PPP-7/HD

Advice & Usage Guide Use;  The bags will arrive folded or laid flat in an outer Carton.&..

£5.25 or less

Heavy Duty White Mailing Bags 14 x 20, 350 x 500 + Lip - Qty 250

Heavy Duty White Mailing Bags 14 x 20, 350 x 500 + Lip - Qty 250

 CX142075

I contain a minimum of 30% recycled plastic! Containing a minimum of 30% Post Consumer Waste Plas..

£37.50 or less

Neon Green Mailing Bags 14 x 21, 355 x 535 + Lip, Qty 250

Neon Green Mailing Bags 14 x 21, 355 x 535 + Lip, Qty 250

 NEON-C

Our Neon Green Mailing bags are very popular indeed.  We introduced them about 6 years ago and ..

£31.25 or less

Violet Mailing Bags 14 x 20, 355 x 508 + Lip - Qty 500

Violet Mailing Bags 14 x 20, 355 x 508 + Lip - Qty 500

 LDPURP5/CX

I contain a minimum of 30% recycled plastic! Poly Postal Packaging manufacture 2 versions of a Pu..

£47.50 or less

Bubble Bag Inserts 590 x 890mm 23 x 35" - Qty 5

Bubble Bag Inserts 590 x 890mm 23 x 35" - Qty 5

 PPP/BB/Insert/7

Use our clear bubble bag inserts to reduce your packing time and waste.  Does away with the has..

£5.00 or less

Bubble Bag Inserts 840 x 1040mm 33 x 41" - Qty 1 Bag

Bubble Bag Inserts 840 x 1040mm 33 x 41" - Qty 1 Bag

 PPP/BB/Insert/8

Use our clear bubble bag inserts to reduce your packing time and waste.  Does away with the has..

£1.50 or less

Clear Self Seal Bubble Bag BB7 - 380 x 435 + 30 Lip - Qty 100

Clear Self Seal Bubble Bag BB7 - 380 x 435 + 30 Lip - Qty 100

 PPP/BB7

Use our self seal clear bubble bags to reduce your packing time and waste.  Does away with the ..

£28.12 or less

Grey Recycled Mailing Bags 12.5 x 17, 320 x 440 + Lip, Qty 100

Grey Recycled Mailing Bags 12.5 x 17, 320 x 440 + Lip, Qty 100

 PPP-5

Our stock grey mailing bags are our biggest range of bags and our most popular.  With the bigge..

£8.13 or less

Grey Recycled Mailing Bags 14 x 16, 350 x 400 + Lip - Qty 100

Grey Recycled Mailing Bags 14 x 16, 350 x 400 + Lip - Qty 100

 PPP-6

Our stock grey mailing bags are our biggest range of bags and our most popular.  With the bigge..

£5.94 or less

Grey Recycled Mailing Bags 13 x 19, 330 x 485 + Lip - Qty 100

Grey Recycled Mailing Bags 13 x 19, 330 x 485 + Lip - Qty 100

 PPP-6-5

Our stock grey mailing bags are our biggest range of bags and our most popular.  With the bigge..

£10.00 or less

Polypropylene Cello Bags 311 x 463 + 40mm Lip - 12.25 x 18.25 + Lip - Qty 100

Polypropylene Cello Bags 311 x 463 + 40mm Lip - 12.25 x 18.25 + Lip - Qty 100

 CELLO-12.25X18.25

Now packed in 100s 12.25" opening x 18.25" depth + Lip with reseal peel and seal 311..

£6.25 or less

Polypropylene Cello Bags 317 x 368 + Bottom Gusset + 40mm Lip - 12.5 x 14.5 + Bottom Gusset + Lip - Qty 100

Polypropylene Cello Bags 317 x 368 + Bottom Gusset + 40mm Lip - 12.5 x 14.5 + Bottom Gusset + Lip - Qty 100

 CELLO-12.5X14.5/BG

Now packed in 100s 12.5" opening x 14.5" depth + a bottom gusset + Lip with reseal peal..

£5.84 or less

Grey Recycled Mailing Bags 14 x 21, 350 x 525 + Lip - Qty 50

Grey Recycled Mailing Bags 14 x 21, 350 x 525 + Lip - Qty 50

 PPP-7

Our stock grey mailing bags are our biggest range of bags and our most popular.  With the bigge..

£5.00 or less

Polypropylene Cello Bags 355 x 463 + 40mm Lip - 14 x 18.25 + Lip - Qty 100

Polypropylene Cello Bags 355 x 463 + 40mm Lip - 14 x 18.25 + Lip - Qty 100

 CELLO-14x18.25

Now packed in 100s 14" opening x 18.25" depth + Lip with reseal peel and seal 355 x ..

£7.09 or less

Polypropylene Cello Bags 412 x 508 + 40mm Lip - 16.25 x 20 + Lip - Qty 100

Polypropylene Cello Bags 412 x 508 + 40mm Lip - 16.25 x 20 + Lip - Qty 100

 CELLO-16.25X20

Now packed in 100s 16.25" opening x 20" depth + Lip with reseal peel and seal 412 x ..

£9.16 or less

Grey Recycled Mailing Bags 16 x 21, 400 x 525 + Lip - Qty 50

Grey Recycled Mailing Bags 16 x 21, 400 x 525 + Lip - Qty 50

 PPP-8

Our stock grey mailing bags are our biggest range of bags and our most popular.  With the bigge..

£5.31 or less

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