What does it mean that boneless chicken feet have a solid content of 60%?

60% is solid matter. The 60% solid content of "Boneless Man" boneless chicken chops means that 60% of the ingredients in this chicken chops are solid with less water content, but 60% of the chicken chops are effective ingredients. It is understood that "boneless chicken chops" is a new type of chicken product, which is not only convenient to eat, but also retains the taste and nutrients of chicken feet, and is deeply loved by consumers.