Its Newcastle-based Field First plant will produce folding cartons bearing the traditional Scottish tartan plaid background.

Executive vice president Keith Gilchrist said: This is a great example of complete partnership in terms of artwork, repro and generating high image cartons to promote a premier product.

Field First, previously owned by Field Group before its by Chesapeake acquisition in 1999, has worked with Walkers for more than 30 years.

Story by Rachel Barnes.