Top 10 Large A3 Envelopes UK – Padded Envelope Mailers

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1. UKPS

340 x 445mm / 13.5 x 17.5" Postal Packing Mailing Shipping Postage Posting Self Seal Packaging Bags Mailers, 10 Large A3 Size Peel + Seal Gold Padded Bubble Envelopes

UKPS - Size provided in inches and millimetres. These quality bubble mailers are manufactured to ensure your mailing is made simple. The best quality for the best price, and perfect for mailing all your ebay items.

Their lightweight will help keep your postal charges to a minimum. These envelopes come with a self seal lip, basically place your item inside, remove the strip on the flap and seal it, it couldn't be easier. Sizes stated in the item title are internal, and reads WIDTH opening end x LENGTH. These quality mailers offer secure protection whilst your goods are in transit. These padded bags are excellent quality thick padded envelopes, manufactured in the uk.
BrandUKPS
Part Number3314154338825

2. UKPS

25 Large A3 Size Peel + Seal Gold Padded Bubble Envelopes, 340 x 445mm / 13.5 x 17.5" Postal Packing Mailing Shipping Postage Posting Self Seal Packaging Bags Mailers

UKPS - These envelopes come with a self seal lip, basically place your item inside, remove the strip on the flap and seal it, it couldn't be easier.

Sizes stated in the item title are internal, and reads WIDTH opening end x LENGTH. These padded bags are excellent quality thick padded envelopes, manufactured in the uk. These quality mailers offer secure protection whilst your goods are in transit. The best quality for the best price, and perfect for mailing all your ebay items. These quality bubble mailers are manufactured to ensure your mailing is made simple. Size provided in inches and millimetres. Their lightweight will help keep your postal charges to a minimum.
BrandUKPS
Part Number3362712450847

3. Wellpack Europe

Large A3 Padded Envelopes Gold/White Bubble Wrap Envelope Mailers Bags 6 290x445mm / 29x45cm, GOLD, 10

Wellpack Europe - Excellent Premium Quality Padded Envelopes. Perfect bubble wrap lined padded Envelopes Mailers Bags to send fragile & Delicate items in the post without any damage or scratch. Perfect peel & self seal padded envelopes for Mailing, Mail, Moving, Storage, Posting, Shipping, Parcel, Transport, Royal Mail. Quantity / 3 / 5 / colour: choose above - size: choose above from 000 / 1 / 2 / 0 / 6 / 00 / 4 / 7 - Bubble Wrap Padded Mailers Bags. Perfect eco friendly, office, heavy duty strong Postage Padded Envelopes Bags For Home, shops, 100% recyclable, Commercial & Industrial Purposes.
BrandWellpack Europe
ManufacturerWellpack Europe
Part NumberPadded Envelopes WP161120

4. UKPS

10 Large A3 Size Peel + Seal White Padded Bubble Envelopes, 340 x 445mm / 13.5 x 17.5" Postal Packing Mailing Shipping Postage Posting Self Seal Packaging Bags Mailers

UKPS - These padded bags are excellent quality thick padded envelopes, manufactured in the uk. Their lightweight will help keep your postal charges to a minimum.

Sizes stated in the item title are internal, and reads WIDTH opening end x LENGTH. These quality bubble mailers are manufactured to ensure your mailing is made simple. The best quality for the best price, and perfect for mailing all your ebay items. These envelopes come with a self seal lip, remove the strip on the flap and seal it, basically place your item inside, it couldn't be easier. These quality mailers offer secure protection whilst your goods are in transit. Size provided in inches and millimetres.
BrandUKPS
Part Number3314156286117

5. STORM TRADING GROUP

50 Gold Padded Bubble Envelopes A3 340 x 445mm STG 10 K

STORM TRADING GROUP - Gold padded bubble mailers Size 10 340 x 445mm. Extremely lightweight this means postage costs are always low. Manufactured from thick FSC paper. Easy to use - simply insert your item and seal the envelope. Bubble lined - Provides complete coverage & protection for your items.
BrandSTORM TRADING GROUP
ManufacturerSTORM TRADING GROUP
Part NumberMEGL_340x445mm_95

6. UKPS

10 Large A3 C3 Size Strong Hard Board Backed Envelopes 'Do Not Bend' Peel + Seal, 324 x 457mm / 12.75 x 18" Rigid Postal Packing Mailing Shipping Postage Posting Self Seal Packaging Mailers

UKPS - Sizes stated in the item title are internal, and reads WIDTH opening end x LENGTH. Also has the phrase 'please do noT BEND' printed on the front of the envelope. Strong hard board backed self seal envelopes, rigid / stiff mailers. These high quality board backed envelopes are useful for the home or office. Size provided in inches and millimetres. These envelopes come with an adhesive self seal lip, basically place your item inside, remove the strip on the flap and seal it, it couldn't be easier. Ideal to protect any important documents or items sent through the post.
BrandUKPS
Part Number3311633852803

7. ARPAN

Arpan 457mm x 324mm A3 C3 Manilla Hard Board Backed Envelopes Do Not Bend Pack of 20

ARPAN - Lightweight - Saves your money by reducing postage cost. Can apply sticky labels to write an address if required, Quick and Easy packaging. High quality strong self Seal adhesive strip 10mm wide, gives an extra security. Gives a professional finish to your parcel. 100% environment friendly as they made from recycled materials.
BrandARPAN
ManufacturerARPAN
Part NumberPM-C3-PK20

8. Wellpack Europe

50 x Large Strong Gold MAILERS Bags A3 Gold Padded ENVELOPES Bags Size 6

Wellpack Europe - Perfect padded envelopes bags 100% recyclable for home office commercial & industrial purposes. Perfect for mailing & posting supplies - available in all sizes from jl0 - jl1 - jl2 - jl3 - jl4 - jl5 - jl6 - jl7 check our images carefully to understand THE BEST SIZE FOR YOUR PRODUCT. Perfect gold padded envelope bags for all types of postal parcel postage royal mail shipping & transport. Excellent premium quality recyclable eco-friendly paper material gold envelopes. Gold mailers bags -- quantity: pack of 50 - size: **choose your size FROM THE LIST ABOVE**.
BrandWellpack Europe
ManufacturerWellpack Europe
Part Number0748690929828

9. Initiative

Pack of 50 Envelopes 16x12" Manilla Plain 115gsm Self Seal Large 408mm x 303mm Brown Envelope Pack

Initiative - Plain light brown colour. Ideal for large sized documents. Self sealing. Opaque 115gsm manilla material. 50 x plain envelopes 16" x 12" in size.
BrandInitiative
ManufacturerInitiative
Part NumberP2430B

10. SmithPackaging

Gold, SmithPackaging A3 Bubble Padded Envelopes, Pack of 5, 300mm x 445mm

SmithPackaging - Strong peel and seal adhesive strip for secure closure. A tough kraft paper outer for extra strength. Padded bubble lining for extra protection. Pack of 5 gold envelopes, internal size of 300mm x 445mm per envelope. Fsc certified for sustainability.
BrandSmithPackaging
ManufacturerSmithPackaging
Part Number1
Model1