All natural. Long lasting chew. At Redbarn quality is No. 1. Our Bully Springs are slow roasted to produce maximum taste and texture. This wholesome and delicious, long lasting treat will keep your pet busy for hours and best of all - the prolonged chewing of tough treats promotes healthy teeth and gums. At Redbarn, we care about your dog - naturally! www.redbarninc.com. Facebook: Follow us on Facebook. www.facebook.com/redbarninc. Made in Paraguay.