Expandable envelope  (142 offers of 6,202,148 product items)

All the sizes you will ever need are covered in this vast array of envelope products, not only that but numerous substrates and sealing possibilities give unbounded options for your everyday envelo...

Professionalism, appearance and protection are at the heart of Plus Fabric envelopes, and so is paper quality, which is why we only use environmentally friendly paper that is ethically sourced from...

Ideal for mailing bulky items such as catalogues, reports, brochures and more, these Q-Connect envelopes feature an expanding 25mm gusset and durable, heavyweight 120gsm paper. The manilla pocket e...

Tyvek Gusset Envelopes. Envelope Type: Plain. Format: C6. Material: Polyethylene. Maximum Gusset Expansion: 38 mm. Paper Weight: 54 gsm. Seal: Peel and Seal. Dimensions: 330 x 250 mm (H x W). Colou...

Ever had a conundrum as to how to post an unyielding product? We feel this selection of packaging orientated envelopes can answer yesterday's mailing enigmas. Books Catalogues Packets Price Lists

Ideal for mailing bulky items such as catalogues, reports, brochures and more, these Q-Connect envelopes feature an expanding 25mm gusset and durable, heavyweight 120gsm paper. The manilla pocket e...

Tyvek Gusset Envelopes. Envelope Type: Plain. Material: Polyethylene. Maximum Gusset Expansion: 50 mm. Paper Weight: 68 gsm. Seal: Peel and Seal. Dimensions: 406 x 305 mm (H x W). Colour: White. Qu...

Ever had a conundrum as to how to post an unyielding product? We feel this selection of packaging orientated envelopes can answer yesterday's mailing enigmas. Books Catalogues Packets Price Lists

Ideal for mailing bulky items such as catalogues, reports, brochures and more, these Q-Connect envelopes feature an expanding 25mm gusset and durable, heavyweight 120gsm paper. The manilla pocket e...

These New Guardian Armour gusset envelopes are made from durable, heavyweight 130gsm paper reinforced with woven polyester thread for additional strength. The manilla envelopes feature a simple pee...

Extra capacity, ideal for mailing really bulky and awkward shaped mail. Size E4 (406x305mm). Gusset size 50mm. Packed 100.

Ideal for mailing bulky items such as catalogues, reports, brochures and more, these Q-Connect envelopes feature an expanding 25mm gusset and durable, heavyweight 120gsm paper. The manilla pocket e...

New Guardian Armour gusset envelopes. Reinforced in a grid pattern with a woven polyester thread, providing exceptional strength. Peel & seal closure with Power-Tac adhesive for an exceptionally se...

Extra capacity, ideal for mailing really bulky and awkward shaped mail. Amazingly light, water resistant, tear resistant and burst resistant envelopes that stand up to the sort of rough handling ex...

Ideal for mailing bulky items such as catalogues, reports, brochures and more, these envelopes feature an expanding 25mm gusset and durable, heavyweight 140gsm paper. The manilla pocket envelopes a...