Thank you very much for your email. And we apologize for this the problem.
Black spots on the Munchy Flat
The color of the raw material is different, which is not harmful to pets.
DEX0634 Munchy Knotted bone 4.5-5" (Asst) (19-20g.)
We will focus on the production department to improve this the problem special.
We apologize once again for the mistake and can assure you that a similar incident will not occur again