Canadian Brand. Parker's Kangaroo Femur Bones are a premium, all-natural chew that promotes dental health while keeping your pet entertained. These hypoallergenic bones are an excellent choice for dogs with food sensitivities. Rich in nutrients and packed with flavor, they support joint and bone health while satisfying your dog's natural chewing instincts. Durable and long-lasting, Parker's Kangaroo Femur Bones are the perfect combination of delicious and nutritious. Approximately 10" long.