Clondalkin Flexible Packaging Bury has developed the unique coded lids for a points based loyalty scheme for Yeo Valley, running across the majority of its product range.

Clondalkin has printed a unique code number on the surface of most of the Yeo Valley brand lidded products to ensure the printing ink does not contaminate the product. The code is covered by the design and is only revealed when the polyester lid is peeled back.

John Chadwick, managing director of Clondalkin, comments, "It is the first time this printing technology has been used in the UK dairy market. We are delighted to have been involved in such an exciting campaign from the outset. We have already printed over 60 million unique coded lids for Yeo Valley and we wish them every success with their latest initiative."