These fishtastic treats are made from 100% air-dried fish skins! Caught from sustainable sources and handmade in Grimsby, there are no additives and no preservatives; just an all-natural, nutritious and tasty treat that dogs love, plus it also helps to clean teeth for those dogs with plaque. Brimming with an average 87% protein. They re also a rich source of Omega 3. Important for supporting healthy joints, coats, skin, heart, eyes and weight! Omega 3 also aids in brain development and health, helping focus, memory and behaviour.