Letter envelopes  (1,161 offers of 5,418,352 product items)

Ideal for everyday use, these environmentally friendly envelopes are made from 100% recycled 100gsm paper and feature an easy to use self-seal closure. The DL envelopes also feature a convenient ad...

These New Guardian pocket envelopes provide superior protection and strength with durable, heavyweight 130gsm paper. These DL wallet envelopes are suitable for A5 sheets folded once, or A4 sheets f...

Ideal for everyday use, these Q-Connect envelopes are made from quality 100gsm white paper and feature an easy to use self-seal closure, and convenient address window measuring 35 x 89mm. The DL en...

These New Guardian envelopes provide superior protection and strength with durable, lightweight 80gsm paper and self-seal closure. These DL wallet envelopes are suitable for A5 sheets folded once, ...

Ideal for everyday use, these Q-Connect envelopes are made from 80gsm white paper and feature an easy to use, secure self-seal closure and convenient address window measuring 35 x 89mm. The DL enve...

These New Guardian pocket envelopes provide superior protection and strength with durable, lightweight 80gsm paper and a convenient address window measuring 93 x 39mm. With self-seal closure, these...

Ideal for everyday use, these Q-Connect envelopes are made from quality 90gsm white paper and feature an easy to use, secure self-seal closure and convenient address window measuring 35 x 89mm. The...

These New Guardian envelopes provide superior protection and strength with durable, lightweight 80gsm paper and a convenient address window measuring 39 x 93mm. With self-seal closure, these DL wal...

Ideal for everyday use, these Q-Connect envelopes are made from lightweight 70gsm paper with a gummed flap and convenient central address window measuring 35 x 89mm. These smaller size envelopes me...

These New Guardian envelopes provide superior protection and strength with durable, heavyweight 130gsm paper. Suitable for unfolded A4 documents, the C4 envelopes feature a simple peel and seal clo...

Ideal for everyday use, these Q-Connect envelopes are made from lightweight 70gsm paper with a gummed flap. These smaller size envelopes measure 89 x 152mm and are made from 85% recycled manilla. T...

These New Guardian envelopes provide superior protection and strength with durable, heavyweight 130gsm paper. Suitable for unfolded A4 documents, the C4 envelopes feature a simple self seal closure...

Suitable for use in mailing machines, these Q-Connect wallet envelopes are made from strong 90gsm paper with a gummed closure. Ideal for high volume mailing needs, these oversized C5 envelopes meas...

Exceptionally strong envelopes combining good looks and strength. Heavyweight 130gsm manilla with a subtle ribbed texture and distinctive sheen. All items are made from EU Eco-label accredited pape...

Suitable for use in mailing machines, these Q-Connect wallet envelopes are made from strong, lightweight 80gsm paper with a gummed closure and convenient address window measuring 45 x 90mm. Ideal f...