Browse Gusset Plain & Window (2)
Blake Purely Packaging Pocket Gusset Envelope 406x305x30mm Peel and Seal 25mm Gusset 140gsm Manilla (Pack 125) - 33301
Q-Connect Envelope Gusset 406x305x25mm Peel and Seal 120gsm Manilla (Pack of 100) KF3529