Plain Envelopes (140 items)

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...

Ideal for mailing bulky items such as catalogues, reports and brochures, these E-Green mailer envelopes feature a 80mm gusset. Made from 120gsm Kraft paper, the easy to open mailers are waterproof ...

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...

Ideal for mailing bulky items such as catalogues, reports, brochures and more, these Plus Fabric envelopes feature an expanding 25mm gusset and durable, heavyweight 120gsm bright white paper. The e...

Ideal for mailing bulky items such as catalogues, reports and brochures, these E-Green mailer envelopes feature a 50mm gusset. Made from 120gsm Kraft paper, the easy to open mailers are waterproof ...

100% recycled and recyclable, these environmentally friendly Q-Connect padded envelopes feature a tough, 140gsm cover, 120gsm corrugated middle layer and an 90gsm manilla inner to protect contents ...

Ideal for mailing bulky items such as catalogues, reports, brochures and more, these Plus Fabric envelopes feature an expanding 25mm gusset and durable, heavyweight 120gsm bright white paper. The e...

These Plus Fabric envelopes feature durable 120gsm bright white paper and a simple peel and seal closure with Power-Tac adhesion for a quick, strong seal. The envelopes also feature a convenient ea...

Ideal for mailing bulky items such as catalogues, reports, brochures and more, these New Guardian envelopes feature an expanding 25mm gusset and durable, heavyweight 130gsm paper. The manilla envel...

Constructed from strong 120gsm paper, these Plus Fabric C4 Pocket Envelopes feature a bright white exterior and an opaque blue interior that helps keep contents confidential. The strong Power-Tac p...

Ideal for mailing bulky items such as catalogues, reports, brochures and more, these New Guardian envelopes feature an expanding 25mm gusset and durable, heavyweight 130gsm paper. The manilla envel...

These New Guardian envelopes provide superior protection and strength with durable, lightweight 80gsm paper. The smaller size manilla envelopes measure 98 x 67mm and feature a simple and secure gum...

Ideal for cards, invitations and other letters, these elegant Metallic Silver C5 envelopes are made from high quality, extra thick 130gsm paper and feature a simple, secure peel and seal closure. T...

These New Guardian envelopes provide superior protection and strength with durable, heavyweight 130gsm paper. Ideal for mailing larger, bulkier items, these envelopes measure 444 x 368mm and featur...

These Plus Fabric envelopes feature durable 120gsm bright white paper and a simple self-seal closure for ease of use. These C5 envelopes are suitable for unfolded A5 documents, or A4 documents fold...