Top 10 Hard Back Envelopes UK – Envelopes

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1. H-LINE

125 x A5 C5 Hard Card Board Back Backed Please Do Not Bend Envelopes Manilla Brown

H-LINE - Photo is for illustrative purposes. Please note all measurements are approximate. A5 / c5 size: 229 x 162mm. 125 x hard board Back Envelopes. Manilla Brown.
BrandH-LINE
ManufacturerH-LINE
Part NumberHLINE-ENVC5

2. Printaline

10 BOARD BACKED ENVELOPE A4 / C4 SIZE 9"x12" HARD BACK

Printaline - Fast and secure: self-sealing adhesive strip. Other qty's and sizes in our storefront. 10 board backed envelope a4 / c4 size 9"x12" hard back. The handling instruction, transparencies, PLEASE DO NOT BEND is printed in red on every envelope. Self-sealing flaps provide a secure and reliable seal. The envelopes are ideal for posting fragile documents, photos, certificates.
BrandPrintaline
ManufacturerPrintaline
Part Number2607475

3. H-LINE

125 x A4 C4 Hard Card Board Back Backed Please Do Not Bend Envelopes Manilla Brown

H-LINE - 125 x hard board Back Envelopes. Please note all measurements are approximate. Manilla Brown. Photo is for illustrative purposes. A4 / c4 size: 324 x 229mm.
BrandH-LINE
ManufacturerH-LINE

4. ARPAN

Arpan 324mm x 229mm A4 C4 Manilla Hard Board Backed Envelopes Do Not Bend Pack of 20

ARPAN - 100% environment friendly as they made from recycled materials. Lightweight - Saves your money by reducing postage cost. High quality strong self Seal adhesive strip 10mm wide, gives an extra security. Can apply sticky labels to write an address if required, Quick and Easy packaging. Gives a professional finish to your parcel.
BrandARPAN
ManufacturerARPAN
Part NumberPM-C4-PK20
ModelPM-C4-PK20

5. EPOSGEAR

120gsm Manilla and 600micron Hard Back Board with Free Labels A5 / C5-229mm x 162mm, EPOSGEAR 20 Board Backed Envelopes, Printed"Please do not Bend"

EPOSGEAR - Do not be fooled by lower quality products. Labels read "handle with CARE" in red text. Ideal for sending important documents and other items which require care whilst handling. These envelopes feature premium quality board which is much more rigid than cheaper alternatives. Peel & seal function on the envelopes provide secure closure. Dimensions: width - 229mm - Height - 162mm. Envelopes read "please do not bend" in red text.
BrandEPOSGEAR
ManufacturerEPOSGEAR
Part NumberHDBB

6. Triplast

Triplast 229 x 162 mm A5 C5 Manilla Hard Board Backed Envelopes Pack of 20

Triplast - Manilla brown colour, solid back 115 microns thick. Triplast branded, self sealing peel and seal strip. Model number: A5 C5. A5 / c5 size 229 x 162 mm + Lip to seal.
BrandTriplast
ManufacturerTriplast
Height0.2 cm (0.08 Inches)
Length16.2 cm (6.38 Inches)
Weight0.03 kg (0.06 Pounds)
Width22.9 cm (9.02 Inches)
Part NumberA5 C5
ModelA5 C5

7. ARPAN

ARPAN 15.5 x 22 cms A5 C5 Manilla Hard Board Backed Envelopes Do Not Bend Pack of 100

ARPAN - Lightweight - Saves your money by reducing postage cost. High quality strong self Seal adhesive strip 10mm wide, gives an extra security. Can apply sticky labels to write an address if required, Quick and Easy packaging. 100% environment friendly as they made from recycled materials. Gives a professional finish to your parcel.
BrandARPAN
ManufacturerARPAN
Height22 cm (8.66 Inches)
Length15.5 cm (6.1 Inches)
Width0.1 cm (0.04 Inches)
Part NumberPM-C5-PK100
ModelPM-C5-PK100

8. Quick Pack Supplies Ltd

A5/C5 Board Back Envelopes 'Please Do Not Bend', 10 Pack

Quick Pack Supplies Ltd - Approx side: 162mm x 229mm. Perfect for sending paper documents, anything which is flat and shouldn't be bent in the post! Envelopes all printed with "Do Not Bend" In Red Ink. All manufactured from a stronger 120gsm materials. Peel & seal glue on all envelopes.
BrandQuick Pack Supplies Ltd
ManufacturerQuick Pack Supplies Ltd

9. Triplast

Triplast 324 x 229 mm A4 C4 Manilla Hard Board Backed Envelopes Pack of 20

Triplast - Triplast branded, self sealing peel and seal strip. Manilla brown colour, solid back 115 microns thick. A4 / c4 size 324 x 229 mm + Lip to seal. Model number: A4 C4.
BrandTriplast
ManufacturerTriplast
Height0.2 cm (0.08 Inches)
Length22.9 cm (9.02 Inches)
Weight0.06 kg (0.12 Pounds)
Width32.4 cm (12.76 Inches)
Part NumberA4 C4
ModelA4 C4

10. UKPS

50 Small A6 C6 Size Strong Hard Board Backed Envelopes 'Do Not Bend' Peel + Seal, 114 x 162mm / 4.5 x 6.5" Rigid Postal Packing Mailing Shipping Postage Posting Self Seal Packaging Mailers

UKPS - These envelopes come with an adhesive self seal lip, remove the strip on the flap and seal it, basically place your item inside, it couldn't be easier. These high quality board backed envelopes are useful for the home or office. Ideal to protect any important documents or items sent through the post. Strong hard board backed self seal envelopes, rigid / stiff mailers. 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. Size provided in inches and millimetres.
BrandUKPS
Part Number3312203652601