Treats for dogs. Real smoked flavor! Oven baked bacon flavor dogs love! Hartz Oinkies Pig skin Twists Stuffed with Bacon Flavored Crunchy Middle are oven baked treats with a savory smoked pig skin and stuffed with crunchy bacon flavored beefhide for flavor through and through. Visit our website: www.hartz.com. Treated by irradiation. Made in China.