Nylabone Healthy Edible Roast Beef Twin Pack Wolf 5.25" 36 pk These wholesome roast beef flavored chews are made of natural ingredients and designed to be long lasting. No added sugar, salt, or artificial colors or preservatives so you can feel confident about giving this as a treat to your pet. Enhanced with vitamins and minerals, making this a healthy snack. Recommended for dogs that have all their permanent teeth, which is typically around 6 months of age or older. Made in the USA!