100% Free range duck liver and nothing else! A complimentary air dried treat for your dog No additives, preservatives, artificial flavours or colourings. Once opened store in a cool, dry place and use within 8 weeks. Feeding guide: We recommend no more than 20 individual treats per training session for a medium sized dog. These treats are SUPER HIGH VALUE so even a single treat will reward even the greediest of dogs during training sessions. Suitable for puppies from 8 weeks old all the way up to the oldies Gentle warning: Too much liver can result in cannon butt and no pooch or owner wants that!