Happy Dog NaturCroq XXL was specifically developed for very large breed dogs: 

The energy requirements of large breed dogs is very different to those of small breeds. 

Large breed dogs need a special composition of nutrients with moderate protein content and adapted fat content. Depending on their size they usually prefer large chunks of food, as contained in NaturCroq XXL. If the croquettes are too small, they are often wolfed down or even swallowed whole.