FreshTag is developing a sustainably produced, PH-sensitive packaging solution to eliminate food waste and reduce consumer dependence on plastic-based films and packaging and unreliable “Use-by” dates. FreshTag’s packaging technology dynamically changes colour as food freshness decreases – signposting when the packaged food is safe and unsafe to eat. FreshTag was created by 2019 RCA MA Textiles Alumna Rui Xu.