New Guardian C4 Envelopes Board Back Manilla (Pack of 125) H26326

These sturdy, durable New Guardian board back envelopes feature heavyweight 130gsm paper and are printed with 'Please do not bend' ... Read more

New Guardian C4 Envelope Window BoardBack Manilla (Pack of 125) B26526

These sturdy and durable New Guardian board back envelopes feature heavyweight 130gsm paper and are printed with 'Please do not ... Read more

Q-Connect C4 Envelopes Board Back Peel and Seal 115gsm Manilla (125 Pack) KF3521

Designed to keep important documents flat and protected in transit, these Q-Connect Board Back Envelopes are printed with 'Please do ... Read more

Plus Fabric C4 Envelopes Board Back Peel and Seal 120gsm White (Pack of 125) K29470

These sturdy and durable Plus Fabric board back envelopes feature bright white, heavyweight 120gsm paper and are printed with 'Please ... Read more

Q-Connect Envelope 318x267mm Board Back Peel and Seal 115gsm Manilla (125 Pack) 1K06

These sturdy and durable Q-Connect board back envelopes are made from tough, heavyweight 115gsm paper and are perfect for mailing ... Read more