Satisfy your dog's instinctual love of chewing with Purina Prime Bones Chew Stick With Wild Venison large dog bones. These ultra long-lasting, natural dog chews with added calcium are rawhide free and provide a safe and naturally edible treat that your large dog is sure to love. Each of these limited ingredient dog treats provides ultra long-lasting enjoyment with an antler-shaped chew to keep him entertained and thinking about his next big adventure in the wild. With big, untamed flavor, these rawhide free dog chews are just the right size for your large dog to chew, giving him natural dog treats that help clean his teeth, too.