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High Security Envelopes

Sometimes a normal envelope just won't do and that's when high security envelopes can make all the difference. Tear, water and burst resistant we have a selection of sizes with expanding gussets for those larger items that need protection.

20 products found
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8 In Stock
  • Size: 381 x 254 x 25mm
  • Plain pocket envelopes with 25mm gusset
  • Durable, heavyweight 120gsm paper
  • Colour: white
  • Strong Power-Tac peel and seal closure
  • Pack of 100 envelopes
product code: JDH28866
Pack size 1
£63.62
Pack of 1 incl. VAT £76.34
RRP £97.78 SAVE 35%
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Check Stock - Click Here
  • Size: C5 (229 x 162mm)
  • Security envelope designed to be water and tear resistant
  • Made of 100% high density polyethylene fibres (HDPE)
  • Colour: White
  • Extra strong hot melt peel and seal closure
  • Pack of 100
product code: TY00001
Pack size 1
£24.33
Pack of 1 incl. VAT £29.20
RRP £64.51 SAVE 62%
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29 In Stock
  • Size: C4 (324 x 229mm)
  • Security envelope designed to be water and tear resistant
  • Made of 100% high density polyethylene fibres (HDPE)
  • Colour: White
  • Extra strong hot melt peel and seal closure
  • Pack of 100
product code: TY02261
Pack size 1
£34.76
Pack of 1 incl. VAT £41.71
RRP £99.27 SAVE 65%
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50 In Stock
  • Size: B4A (330 x 250mm)
  • Security envelope designed to be water and tear resistant
  • Made of 100% high density polyethylene fibres (HDPE)
  • Colour: White
  • Extra strong hot melt peel and seal closure
  • Pack of 100
product code: TY02262
Pack size 1
£41.76
Pack of 1 incl. VAT £50.11
RRP £108.45 SAVE 61%
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7 In Stock
  • Size: D4 (381 x 250mm)
  • Security envelope designed to be water and tear resistant
  • Made of 100% high density polyethylene fibres (HDPE)
  • Colour: White
  • Extra strong hot melt peel and seal closure
  • Pack of 100
product code: TY02263
Pack size 1
£46.24
Pack of 1 incl. VAT £55.49
RRP £116.23 SAVE 60%
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4 In Stock
  • Size: E4 (394 x 305mm)
  • Security envelope designed to be water and tear resistant
  • Made of 100% high density polyethylene fibres (HDPE)
  • Colour: White
  • Extra strong hot melt peel and seal closure
  • Pack of 100
product code: TY02264
Pack size 1
£50.12
Pack of 1 incl. VAT £60.14
RRP £140.84 SAVE 64%
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6 In Stock
  • Size: C4 (324 x 229 x 20mm)
  • Gusset envelope designed to be water and tear resistant
  • Made of 100% high density polyethylene fibres (HDPE)
  • Colour: White
  • Extra strong hot melt peel and seal closure
  • Pack of 100
product code: TY02267
Pack size 1
£62.80
Pack of 1 incl. VAT £75.36
RRP £181.28 SAVE 65%
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Check Stock - Click Here
  • Size: C4 (324 x 229 x 38mm)
  • Gusset envelope designed to be water and tear resistant
  • Made of 100% high density polyethylene fibres (HDPE)
  • Colour: White
  • Extra strong hot melt peel and seal closure
  • Pack of 100
product code: TY02268
Pack size 1
£63.56
Pack of 1 incl. VAT £76.27
RRP £188.02 SAVE 66%
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8 In Stock
  • Size: B4A (330 x 250 x 38mm)
  • Gusset envelope designed to be water and tear resistant
  • Made of 100% high density polyethylene fibres (HDPE)
  • Colour: White
  • Extra strong hot melt peel and seal closure
  • Pack of 100
product code: TY02269
Pack size 1
£71.63
Pack of 1 incl. VAT £85.96
RRP £210.10 SAVE 66%
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36 In Stock
  • Size: D4 (381 x 254 x 50mm)
  • Gusset envelope designed be water and tear resistant
  • Made of 100% high density polyethylene fibres (HDPE)
  • Colour: White
  • Extra strong hot melt peel and seal closure
  • Pack of 100
product code: TY02270
Pack size 1
£95.52
Pack of 1 incl. VAT £114.62
RRP £263.08 SAVE 64%
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29 In Stock
  • Size: E4 (406 x 305 x 50mm)
  • Gusset envelope designed to be water and tear resistant
  • Made of 100% high density polyethylene fibres (HDPE)
  • Colour: White
  • Extra strong hot melt peel and seal closure
  • Pack of 100
product code: TY02271
Pack size 1
£98.47
Pack of 1 incl. VAT £118.16
RRP £294.92 SAVE 67%
Compare
9 In Stock
  • Size: F4 (483 x 330mm)
  • Security envelope designed to be water and tear resistant
  • Made of 100% high density polyethylene fibres (HDPE)
  • Colour: White
  • Extra strong hot melt peel and seal closure
  • Pack of 100
product code: TY02272
Pack size 1
£102.02
Pack of 1 incl. VAT £122.42
RRP £244.04 SAVE 58%
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Total 20 products
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