Two Flintstones potato crisp bags. Photo caption: EFTA Award for BXL Flexible Packaging. The 6-Pack for Sainsbury's 'Flintstones’ Potato Crisps was awarded second prize in the wide web / polyethylene film / line work category in the 1988 EFTA Print Awards by the European Flexographic Technical Association (UK). Printed in six colours the pack shows the Flintstones characters and identifies the flavours of the crisps to achieve distinctive branding on supermarket shelves. BXL Flexible Packaging, Huddersfield Road, Darton, Barnsley , Yorks S75 SNA. Tel 0226 390039. This item is part of the MoDiP BXL collection.