Hollings Filled Dog Bone Venison Dog TreatHollings Venison Filled Bone Venison 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 venison flavor, provides hours of play and chewing for all dog breeds