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Board Backed Envelopes

When you have fragile items to send through the posts or things that should not be bent then choose your board backed envelopes online and save time and money. Keep your stationery cupboard stocked up with a range of formats and sizes.

24 products found
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Best Seller
525 In Stock
  • Pocket envelopes printed with 'Please do not bend'
  • Heavyweight 115gsm paper
  • Peel and seal closure
  • Size: C4 (324 x 229mm)
  • Colour: Manilla
  • Pack of 10
Product Code: KF3523
Pack size 1
£3.59
Pack of 1 incl. VAT £4.31
RRP £14.39
75%
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157 In Stock
  • Pocket envelopes printed with 'Please do not bend'
  • Heavyweight 115gsm paper
  • Peel and seal closure
  • Size: C4 (324 x 229mm)
  • Colour: Manilla
  • Pack of 125
Product Code: KF3521
Pack size 1
£19.49
Pack of 1 incl. VAT £23.39
RRP £84.04
77%
Compare
37 In Stock
  • Pocket envelopes printed with 'Please do not bend'
  • Heavyweight 115gsm paper
  • Peel and seal closure
  • Size: C3 (457 x 324mm)
  • Colour: Manilla
  • Pack of 50
Product Code: KF01409
Pack size 1
£21.69
Pack of 1 incl. VAT £26.03
RRP £80.70
73%
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69 In Stock
  • Board back envelopes for photos, artwork and more
  • Heayweight 115gsm paper
  • Peel and seal closure
  • Size: 267 x 216mm
  • Colour: Manilla
  • Pack of 125
Product Code: KF3519
Pack size 1
£24.19
Pack of 1 incl. VAT £29.03
RRP £86.36
72%
Compare
153 In Stock
  • Board back envelopes for photos, artwork and more
  • Heayweight 115gsm paper
  • Peel and seal closure
  • Size: 238 x 163mm
  • Colour: Manilla
  • Pack of 125
Product Code: KF3518
Pack size 1
£16.69
Pack of 1 incl. VAT £20.03
RRP £61.46
73%
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Check Stock - Click Here
  • Size: 457 x 324mm
  • Board back envelopes printed with 'Please do not bend'
  • Heavyweight 120gsm paper
  • Colour: manilla
  • Peel and seal closure
  • Pack of 50
Product Code: KF71467
Pack size 50
£21.39
Pack of 50 incl. VAT £25.67
RRP £102.89
79%
Compare
18 In Stock
  • Board back envelopes for photos, artwork and more
  • Heayweight 115gsm paper
  • Peel and seal closure
  • Size: 318 x 267mm
  • Colour: Manilla
  • Pack of 125
Product Code: KF3520
Pack size 1
£29.79
Pack of 1 incl. VAT £35.75
RRP £116.13
74%
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52 In Stock
  • Pocket envelopes printed with 'Please do not bend'
  • Heavyweight 115gsm paper
  • Peel and seal closure
  • Size: 394 x 318mm
  • Colour: Manilla
  • Pack of 125
Product Code: KF3522
Pack size 1
£39.39
Pack of 1 incl. VAT £47.27
RRP £138.00
71%
Compare
63 In Stock
  • Pocket envelopes printed with 'Please do not bend'
  • Heavyweight 120gsm paper
  • Peel and seal closure
  • C4 (324 x 229mm) board back envelopes
  • Colour: white
  • Pack of 125
Product Code: KF3525
Pack size 1
£27.09
Pack of 1 incl. VAT £32.51
RRP £128.72
79%
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8 In Stock
  • Rigid, corrugated cardboard provides strength and security
  • Peel and seal closure
  • Tamper evident rip strip opening
  • Suitable for A5 documents
  • Size: 280 x 200mm
  • Pack of 100
Product Code: BLK71861
Pack size 1
£47.59
Pack of 1 incl. VAT £57.11
RRP £106.44
55%
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76 In Stock
  • Cardboard envelopes
  • Heavyweight 350gsm board
  • Peel and seal closure
  • Size: C4
  • Extermal dimensions: 324 x 229 mm
  • Internal dimensions: 320 x 226 mm
  • Colour: White
  • Pack of 100
Product Code: PB75573
Pack size 1
£36.89
Pack of 1 incl. VAT £44.27
RRP £49.07
25%
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6 In Stock
  • Colour: Manilla
  • Envelope type: Boardback
  • Size: C5 (229mm x 162mm)
  • Pack of 10 packs of 10
Product Code: CTY0814
Pack size 1
£19.49
Pack of 1 incl. VAT £23.39
RRP £40.43
52%
Compare
28 In Stock
  • Board back envelopes printed 'Please do not bend'
  • Heavyweight 120gsm paper
  • Extra strong and secure Power-Tac peel and seal closure
  • Size: C4 (324 x 229mm)
  • Colour: white
  • Pack of 125
Product Code: JDK29470
Pack size 1
£56.19
Pack of 1 incl. VAT £67.43
RRP £104.63
46%
Compare
17 In Stock
  • Rigid, corrugated cardboard provides strength and security
  • Peel and seal closure
  • Tamper evident rip strip opening
  • Suitable for A3 documents
  • Size: 490 x 330mm
  • Pack of 100
Product Code: BLK71863
Pack size 1
£82.69
Pack of 1 incl. VAT £99.23
RRP £186.84
56%
Compare
Check Stock - Click Here
  • Board-backed manilla business envelopes
  • Peel & seal closure for secure protection
  • Quality 115gsm paper
  • Size: C4
  • Pack of 5
Product Code: POF27420
Pack size 1
£27.79
Pack of 1 incl. VAT £33.35
RRP £58.55
53%
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19 In Stock
  • Board back envelopes printed 'Please do not bend'
  • Heavyweight 130gsm paper
  • Extra strong and secure Power-Tac peel and seal closure
  • Size: 444 x 368mm
  • Colour: Manilla
  • Pack of 50
Product Code: JDC27726
Pack size 1
£44.69
Pack of 1 incl. VAT £53.63
RRP £83.14
46%
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11 In Stock
  • Cardboard envelopes
  • Heavyweight 350gsm board
  • Peel and seal closure
  • Size: C5
  • Extermal dimensions: 229 x 162 mm
  • Internal dimensions: 226 x 160 mm
  • Colour: Brown
  • Pack of 200
Product Code: PB75571
Pack size 1
£42.59
Pack of 1 incl. VAT £51.11
RRP £69.27
39%
Compare
15 In Stock
  • Board back envelopes printed 'Please do not bend'
  • Heavyweight 130gsm paper
  • Extra strong and secure Power-Tac peel and seal closure
  • Size: C3 (324x458mm)
  • Colour: Manilla
  • Pack of 50
Product Code: JDK27926
Pack size 1
£36.19
Pack of 1 incl. VAT £43.43
RRP £72.58
50%
Compare
Check Stock - Click Here
  • Rigid, corrugated cardboard provides strength and security
  • Peel and seal closure
  • Tamper evident rip strip opening
  • Suitable for A4 documents
  • Size: 353 x 250mm
  • Pack of 100
Product Code: BLK71862
Pack size 1
£53.69
Pack of 1 incl. VAT £64.43
RRP £121.25
56%
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  • Board backed envelope selection box
  • Gummed closure
  • Envelope dimensions: 229x162mm, 324x229mm, 318x267mm and 394x318mm
  • Colour: Manilla
Product Code: CM04516
Pack size 1
£35.89
Pack of 1 incl. VAT £43.07
RRP £36.00
%
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22 In Stock
  • Colour: Manilla
  • Envelope type: Boardback
  • Size: C4 (324mm x 229mm)
  • Pack of 10 packs of 10
Product Code: CTY0821
Pack size 1
£22.99
Pack of 1 incl. VAT £27.59
RRP £70.53
67%
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Check Stock - Click Here
  • C4 board back envelopes with address window
  • Heavyweight 130gsm paper
  • Extra strong and secure Power-Tac peel and seal closure
  • Window size: 40 x 100mm
  • Window position: 25mm in, 213mm up
  • Colour: Manilla
  • Pack of 125
Product Code: JDB26526
Pack size 1
£45.49
Pack of 1 incl. VAT £54.59
RRP £91.27
50%
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9 In Stock
  • Cardboard envelopes
  • Heavyweight 350gsm board
  • Peel and seal closure
  • Size: C3
  • Extermal dimensions: 350 x 450 mm
  • Internal dimensions: 346 x 446 mm
  • Colour: Brown
  • Pack of 100
Product Code: PB75570
Pack size 1
£59.09
Pack of 1 incl. VAT £70.91
RRP £95.96
38%
Compare
20 In Stock
  • Board back envelopes printed 'Please do not bend'
  • Heavyweight 130gsm paper
  • Extra strong and secure Power-Tac peel and seal closure
  • Size: C4 (324 x 229mm)
  • Colour: Manilla
  • Pack of 125
Product Code: JDH26326
Pack size 1
£38.29
Pack of 1 incl. VAT £45.95
RRP £84.67
55%
Compare
Total 24 products
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