ENVELOPE INFORMATION

Useful terms:

• Bespoke – made up envelopes to customer requirements. Not available from stock.
• GSM – the weight of the paper, measured in g/m2.
• Gummed – sealing method that requires moistening to seal.
• Gusset – an envelope with expandable sides.
• Mailing wallet / machinable – envelope for use on an inserting/mailing machine.
• Opaque – printed colour wash inside envelopes (usually for security reasons).
• Peel and seal – sealing method with a peel off strip.
• Pocket – envelopes with the flap on the short edge.
• Recycled – envelopes made from post-consumer waste.
• Self seal – sealing method where the two flaps are pressed together to form an instant bond.
• Wallet – envelopes with the flap on the long edge.