Airtight packaging of cardboard; airtight packaging of paper; airtight packaging of plastics; articles of cardboard for packaging; articles of cardboard for use in packaging; articles of paper for packaging; articles of paper for use in packaging; articles of plastic for use in packaging; bags (envelopes, pouches) of paper or plastics, for packaging; bags for packaging food for cooking; bags incorporating bubble plastics for packaging; bags made of paper for packaging; bags made of plastics for packaging; bags of bubble plastics for packaging; bags of plastics for packaging; bags of plastics for packaging food; bags of plastics for packaging household goods; bags of synthetic materials for wrapping and packaging; boxes for packaging (card); boxes for packaging (cardboard); boxes for packaging (paper); clear coated plastics film for packaging; clear films for packaging; containers of card for packaging; containers of card for packaging audio recordings; containers of card for packaging purposes; containers of cardboard for packaging; containers of paper based products for packaging; containers of paper for packaging; containers of paper for packaging purposes; corrugated packaging materials of card; corrugated packaging materials of paper; films of plastic for packaging foods; films of plastics for packaging purposes; films of plastics materials for packaging; films of plastics materials for packaging purposes; packaging bags of paper; packaging bags of plastic; packaging boxes in collapsible form (card); packaging boxes in collapsible form (cardboard); packaging boxes in flat form (card); packaging boxes in flat form (cardboard); packaging boxes in made-up form (card); packaging boxes in made-up form (cardboard); packaging boxes of card; packaging boxes of cardboard; packaging boxes of paper; packaging cartons of card; packaging cartons of cardboard; packaging cartons of paper; packaging containers of card; packaging containers of cardboard; packaging containers of paper; packaging containers of plastic-lined paperboard for solids or liquids; packaging containers of regenerated cellulose; packaging materials made of cardboard for use with food articles; packaging materials of card for use with food articles; packaging materials of paper for use with food articles; packaging materials of plastic for sandwiches; packaging materials of plastics; packaging products made of cardboard; packaging wrappers of paper; packaging wrappers of plastic; printed packaging materials of card; printed packaging materials of cardboard; printed packaging materials of paper; printed packaging materials of plastic