Pigs' ears contain a high proportion of cartilage and are a very healthy chew snack. The intense chewing helps to clean your dog's teeth and massages its gums. Dibo Premium Pigs' Ears are guaranteed without artificial colourings or preservatives. Dibo Premium Pigs' Ears at a glance: Made from fresh raw ingredients No chemical additives No flavourings or colourings Gently dried Natural No preservatives No sugar or caramel Made in Germany Please note: dog bones, treats and snacks are available in a range of types and sizes so make sure to choose one that is the appropriate size and shape for your pet. For their safety, please supervise your pets when they are enjoying a treat or bone.