Self Seal Envelopes
Self-seal envelopes have a peel-off strip you simply press to seal - no moisture needed - making them the fastest choice for high-volume mailing. Available in DL, C5 and C4, windowed and non-windowed.
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400 White Self Seal Plain (Non Window) Envelopes (305mm x 248mm) -
250 White C4 Non Windowed Self Seal Envelopes (324mm x 229mm) -
250 White C4 Windowed (40mm x 105mm) Self Seal Envelopes (324mm x 229mm) -
White DL Windowed (35mm x 90mm) Self Seal Envelopes (110mm x 220mm) -
White DL Non Windowed Self Seal Envelopes (110mm x 220mm) -
White C5 Windowed (45mm x 90mm) Self Seal Envelopes (162mm x 229mm) -
White C5 Non Windowed Self Seal Envelopes (162mm x 229mm)
Self seal options
Choose your size and whether you need a window, supplied in bulk boxes. Self-seal is ideal when you are sending a lot of post and want to seal quickly and cleanly.
Why buy from Mailcoms
Mailcoms is a Royal Mail Authorised Inspector and has been trading since 2005, with fast UK delivery and free delivery over £40.
Frequently asked questions
How do self-seal envelopes work?
They have a peel-off strip covering the adhesive - peel it and press to seal, with no licking or moisture.
Which sizes are available?
DL, C5 and C4, windowed and non-windowed.
How fast is delivery?
Standard UK delivery is 3-5 working days and free on orders over £40, with a next working day option available.