Preferred by 2 out of 3 dogs over Purina Busy Bone Dog Treats (Palatability studies on file for Jumbone vs Busy Bone). Big meaty center. Fortified with essential vitamins & minerals. Has a delicious meaty center for long-lasting chewing pleasure. Calcium and phosphorus for strong teeth & bones. B vitamins support a healthy metabolism. Low Mess: No artificial dyes or colors. For adult dogs only. www.pedigree.com.