Opal Envelopes are proud to announce the launch of our new product, the Expandelope™ wallet. This is a gap in the market that we felt needed to be filled as manufacturers of gusset wallets were read more »

Opal Envelopes are proud to announce the launch of our new product, the Expandelope™ wallet. This is a gap in the market that we felt needed to be filled as manufacturers of gusset wallets were read more »
Opal Envelopes have been producing bespoke personalised envelopes for over twenty years at our factory in Wolverhampton UK. In this time we have seen a lot of changes within the envelope trade. The biggest of these has read more »
As a true UK Envelope Manufacturer we were constantly been asked to produce gusset type envelopes. A gusset is an envelope with expandable sides. They withstand larger, bulkier items such as catalogues as their sides can read more »