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Up to 40% Off Selected Essentials* - Shop Top of the Picks 

10% Off Early Years essentials with code  IMAGINE10  - Terms & Conditions apply

10% Off our SEN range with code SEN10  - Terms & Conditions apply

Save 10% Off our Art & Craft range with code FESTIVE10   *Terms & Conditions apply.

Please ensure that orders for stocked products are placed by 12pm on Monday 23rd December for delivery on 24th December. Deliveries will restart from 3rd January 2025.

We have recently implemented an exciting new system and are catching up with orders placed. Please bear with us as there may be slight delays to some deliveries.

Stationery Envelopes

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  1. White Envelopes Self Seal C5 90gsm Box 500
    White Envelopes Self Seal C5 90gsm Box 500

    Product Code: 01854068

    £15.59 £12.99
    Add to Favourites
  2. C4 White Envelopes Self Seal 90gsm Box of 250
    C4 White Envelopes Self Seal 90gsm Box of 250

    Product Code: 01882047

    £14.39 £11.99
    Add to Favourites
  3. Manilla Envelopes Self Seal C4 90gsm Box 250
    Manilla Envelopes Self Seal C4 90gsm Box 250

    Product Code: 01800803

    £14.39 £11.99
    Add to Favourites
  4. Envelopes, DL BS, Peel+Seal, White, 110gsm, Bx500
    Envelopes, DL BS, Peel+Seal, White, 110gsm, Bx500

    Product Code: 01854104

    £16.79 £13.99
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  5. White Envelopes Self Seal Window DL 90gsm Box 1000
    White Envelopes Self Seal Window DL 90gsm Box 1000

    Product Code: 01897281

    £21.59 £17.99
    Add to Favourites
  6. White Envelopes Self Seal Window C4 90gsm Box 250
    White Envelopes Self Seal Window C4 90gsm Box 250

    Product Code: 01854061

    £13.19 £10.99
    Add to Favourites
  7. Manilla Envelopes Self Seal 406 x 305mm Box 250
    Manilla Envelopes Self Seal 406 x 305mm Box 250

    Product Code: 01895009

    £29.99 £24.99
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  8. Gusset Envelopes Peel & Seal C4 Pack 125
    Gusset Envelopes Peel & Seal C4 Pack 125

    Product Code: 01885002

    £21.59 £17.99
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  9. Gusset Envelopes, 381x254x25mm, 140gsm, Bx125
    Gusset Envelopes, 381x254x25mm, 140gsm, Bx125

    Product Code: 01854107

    £34.79 £28.99
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  10. C4 Manilla Envelopes Self Seal Window 90gsm Box of 250
    C4 Manilla Envelopes Self Seal Window 90gsm Box of 250

    Product Code: 01854112

    £13.80 £11.50
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  11. Manilla Envelopes Self Seal C4 115gsm Box 250
    Manilla Envelopes Self Seal C4 115gsm Box 250

    Product Code: 01800808

    £14.39 £11.99
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  12. Board Backed Envelopes Peel & Seal C4 Pack 125
    Board Backed Envelopes Peel & Seal C4 Pack 125

    Product Code: 01854091

    £23.99 £19.99
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  13. C6 White Self Seal Envelopes Box of 1000
    C6 White Self Seal Envelopes Box of 1000

    Product Code: 01854014

    £16.78 £13.98
    Add to Favourites
  14. C5 Manilla Envelopes Self Seal 80gsm Box of 500
    C5 Manilla Envelopes Self Seal 80gsm Box of 500

    Product Code: 01854004

    £13.19 £10.99
    Add to Favourites
  15. Bubble Bags A4 White Box 100
    Bubble Bags A4 White Box 100

    Product Code: 01234503

    £26.39 £21.99
    Add to Favourites
  16. C4 White Envelopes Peel+Seal 110gsm Box of 250
    C4 White Envelopes Peel+Seal 110gsm Box of 250

    Product Code: 01854106

    £19.19 £15.99
    Add to Favourites
  17. Manilla Envelopes Self Seal C3 115gsm Box 125
    Manilla Envelopes Self Seal C3 115gsm Box 125

    Product Code: 01854012

    £23.99 £19.99
    Add to Favourites
  18. Manilla Envelopes Self Seal Window C5 80gsm Box 500
    Manilla Envelopes Self Seal Window C5 80gsm Box 500

    Product Code: 01854005

    £16.79 £13.99
    Add to Favourites
  19. 108 x 108mm Wage Envelopes 85gsm Self Seal Box of 1000
    108 x 108mm Wage Envelopes 85gsm Self Seal Box of 1000

    Product Code: 01885000

    £18.24 £15.20
    Add to Favourites
  20. White Envelopes Self Seal DL 100gsm Box 1000
    White Envelopes Self Seal DL 100gsm Box 1000

    Product Code: 01800806

    £22.79 £18.99
    Add to Favourites
  21. Polypost Polythene Envelopes C3 (330 x 430mm) Pack 100
    Polypost Polythene Envelopes C3 (330 x 430mm) Pack 100

    Product Code: 01854015

    £29.99 £24.99
    Add to Favourites
  22. Manilla Envelopes Gummed C6 Box 1000
    Manilla Envelopes Gummed C6 Box 1000

    Product Code: 01850006

    £15.59 £12.99
    Add to Favourites
  23. A3 White Bubble Bags Box of 50
    A3 White Bubble Bags Box of 50

    Product Code: 01234505

    £10.79 £8.99
    Add to Favourites
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Send school communications in style with our office envelopes. Perfect for  professional and quality letters at home or internal school communication. Combine with our office packaging and label machines for a full suite of mailing solutions.

  • Visa
  • MasterCard
  • Visa
  • MasterCard
  • Maestro
  • Cirrus
KCS Education is a trading style of CSG Global Education Ltd. Company Registration No: 01702231 (England and Wales). VAT No: GB 408 8459 25.
Registered Address: 1 Abbey Wood Road, Kings Hill, West Malling, ME19 4YT
© 2025