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 »

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 »