Hollings Filled Dog Bone Chicken Dog TreatHollings Filled Bone Chicken Dog Chews are quality air dried treats for dogs filled with a 100% natural venison flavored meat filling, sourced locally from British bones and manufactured in our own factory. The venison filling can tempt any dog into giving these bones a good chew and nibble which can help rub plaque and tartar off their pearly whites. Bone filled with chicken flavor, provides hours of play and chewing for all dog breeds preventing