a4 gusset envelopes  (18 filtered offers of 5,366,930 product items)

These super premium quality expanding A4 punched pockets provide long term protection for bulky documents and catalogues. With an expanding 20mm fold, each pocket can hold up to 200 sheets of paper...

Nyrex™ is the UK's No.1 brand for premium quality pockets and folders, providing protection of important documents since 1960 - long life guaranteed. Nyrex™ Heavy Duty Extra Capacity A4 Pockets hav...

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 New Guardian envelopes feature an expanding 25mm gusset and durable, heavyweight 130gsm paper. The manilla envel...

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...

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, brochures and more, these Plus Fabric envelopes feature an expanding 25mm gusset and durable, heavyweight 120gsm bright white paper. The e...

Featuring a 25mm expanding gusset, these Q-Connect C4 envelopes are suitable for mailing bulky items, such as catalogues, reports, mailers and more. Made from durable, bright white 120gsm paper, th...

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 envelopes also f...

Featuring a 25mm expanding gusset, these Q-Connect C5 envelopes are suitable for mailing bulky items, such as catalogues, reports, mailers and more. Made from durable, bright white 120gsm paper, th...

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...

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...

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 Securitex Tear Resistant Envelopes feature an ultra-tough 130gsm tri-laminate construction with a layer of film sandwiched between two layers of paper. The envelopes are tear and water resist...