Petco Meaty Bones Dog Chew Our Petco Meaty Bones are cleaned, lightly smoked beef femur bones. Chewing these all natural treats can help keep your dog's teeth clean and encourages healthy chewing.Hollow bone can be stuffed with your dog's favorite filling, like peanut butter. It will keep him busy for hours trying to get at the soft treat you've hidden inside. Even without a treat inside your dog will be consumed with these natural beef bones. Each bone is individually shrink-wrapped for your convenience.