This kangaroo bone (aka Bone-A-Roo) is the femur. It is a great alternative to beef bones for dogs with allergies. This is a common item recommended by veterinarians. It is approximately 11″ (27.5cm) long and is shrink wrapped with Nature’s Own full colour UPC label. A great all natural bone for dogs seeking alternative source of protein. This is a slow dried bone to lock in all of its natural flavours. This product is CFIA and USDA approved. There are no additives, no hormones, no fillers, and no artificial flavours.