Custom made envelopes are our strength at Opal. You give us your idea, we make it happen. Manufactured on site in Wolverhampton UK, check out our You Tube channel to see some envelopes been produced read more »

Custom made envelopes are our strength at Opal. You give us your idea, we make it happen. Manufactured on site in Wolverhampton UK, check out our You Tube channel to see some envelopes been produced read more »