The Blackdog lamb is a delicious treat for your furry friend. About 15-20cm long and 4-6cm in diameter the lamb neck is most suited for medium dogs and is guaranteed to keep them entertained. The Blackdog lamb neck is a chewy bone surrounded by lean meat making it the perfect tasty treat. With a rich source of protein and vitamin packed bone marrow, lamb necks are a healthier natural alternative to high fat, heavily processed treats.