High in nutrients but low in calories, these bitesize buttons are perfect to take out and about on walks, for training and for re-enforcing good behaviour. Kept in a resealable pack so even better for taking with you when out and about! And what better way to do that than with something as tasty and beneficial as our buttons? Hypoallergenic and easily digestible, perfect for our sensitive pups! The herring is fished sustainably from the Baltic Sea, is air-dried to retain all the natural goodness and has many benefits such as omega 3 - boosts brain, helps improve skin and coat, strengthens immune system etc. With the added superfood - Blueberry - comes so many goodies! Blueberries have a high vitamin C content, helps support healthy skin, coat and heart. They are so nutritionally rich that just a small amount gives them a major vitamin C boost. The anti-oxidants in Blueberries can help support the immune system, protect cells from damage by fighting free radicals, improve cognitive function and help to reduce inflammation and prevent disease. Blueberries also contain minerals that help maintain strong bones as well as Vitamin K, which improves calcium absorption.