Costco Online UK Limited, UK Home Office, Hartspring Lane, Watford, Hertfordshire, WD25 8JS. Registered in England and Wales No. 8055444 The curing process involves using salt to draw moisture from the surface of the beef, while the flavour from spices and vinegar penetrate the pores of the meat to create a delicious mouth-watering flavour. Once the beef has been marinated it's then dehydrated in specially designed jerky ovens which create a dry heat to draw any remaining moisture from the meat. Once dehydrated, the jerky is sliced into thin blades of beef using state-of-the-art slicers before being sealed for freshness. Beef, Sodium Citrate, Natural Flavourings, Antioxidant (Sodium Erythorbate) , Sugar, Salt, Spices, Herbs, Dried Onion, Yeast Extract, Preservatives (Sodium Nitrate)