Traditionally, we've covered up our packs with full cartons - but just by changing to a sleeve, we can cut down on packaging.
On these apple crumbles, we managed to make the tray that holds the crumble lighter, too. Altogether, we cut down the weight by 70%, which is a real success.
Above: before.
Above: after.
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Head of Food Packaging, Dr Helene Roberts, talks about the progress M&S are making on food packaging
